CRAN Package Check Results for Package mcmcsae

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

Flavor Version Tinstall Tcheck Ttotal Status Flags
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