CsChange: Testing for Change in C-Statistic
Calculate the confidence interval and p value for change in C-statistic. The adjusted C-statistic is calculated by using formula as "Somers' Dxy rank correlation"/2+0.5. The confidence interval was calculated by using the bootstrap method. The p value was calculated by using the Z testing method. Please refer to the article of Peter Ganz et al. (2016) <doi:10.1001/jama.2016.5951>.
||rms, survival, boot, stats, Hmisc
||Zhicheng Du, Yuantao Hao
||Zhicheng Du <dgdzc at hotmail.com>
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