CRAN Package Check Results for Package mcmcsae

Last updated on 2021-01-16 06:51:12 CET.

Flavor	Version	T_install	T_check	T_total	Status
r-devel-linux-x86_64-debian-clang	0.5.0	104.44	318.23	422.67	ERROR
r-devel-linux-x86_64-debian-gcc	0.5.0	74.03	237.67	311.70	ERROR
r-devel-linux-x86_64-fedora-clang	0.5.0			551.44	ERROR
r-devel-linux-x86_64-fedora-gcc	0.5.0			510.34	ERROR
r-devel-windows-ix86+x86_64	0.5.0	162.00	471.00	633.00	ERROR
r-patched-linux-x86_64	0.5.0	90.83	304.66	395.49	ERROR
r-patched-solaris-x86	0.5.0			628.10	OK
r-release-linux-x86_64	0.5.0	88.48	307.26	395.74	ERROR
r-release-macos-x86_64	0.5.0				NOTE
r-release-windows-ix86+x86_64	0.5.0	181.00	366.00	547.00	OK
r-oldrel-macos-x86_64	0.5.0				NOTE
r-oldrel-windows-ix86+x86_64	0.5.0	198.00	395.00	593.00	OK

Check Details

Version: 0.5.0
Check: tests
Result: ERROR
     Running 'testthat.R' [104s/117s]
    Running the tests in 'tests/testthat.R' failed.
    Complete output:
     > library(testthat)
     > test_check("mcmcsae")
     Loading required package: mcmcsae
     == Warnings ====================================================================
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     3. mcmcsae:::draw(p[[1L]])
     4. mbs[[1L]]$draw(p)
     5. mcmcsae:::update(XX, QT, 1, 1/tau)
     6. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     3. mcmcsae:::draw(p[[1L]])
     4. mbs[[1L]]$draw(p)
     5. mcmcsae:::update(XX, QT, 1, 1/tau)
     6. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:26:3): non-centered sampler runs -----------------
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:26:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     3. mcmcsae:::draw(p[[1L]])
     4. mbs[[1L]]$draw(p)
     5. mcmcsae:::update(XX, QT, 1, 1/tau)
     6. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     3. mcmcsae:::draw(p[[1L]])
     4. mbs[[1L]]$draw(p)
     5. mcmcsae:::update(XX, QT, 1, 1/tau)
     6. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     longer object length is not a multiple of shorter object length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
     3. mbs[[1L]]$draw(p)
     4. mcmcsae:::update(XX, QT, 1, 1/tau)
     5. mcmcsae:::mat_sum(QA, w1 = Qv * w)
     -- Warning (test_grouplevel.R:39:3): partially centered sampler (intercept) runs --
     number of items to replace is not a multiple of replacement length
     Backtrace:
     1. mcmcsae::MCMCsim(sampler, n.chain = 1L, n.iter = 250L, verbose = FALSE) test_grouplevel.R:39:2
     2. mcmcsae:::draw(p[[ch]])
&n