Hi I am using Cox regression to identify at risk groups. How can I get the C-index in R? Thanks, Bereket <'r-help@stat.math.ethz.ch'> [[alternative HTML version deleted]]
Hi I am using Cox regression to identify at risk groups. How can I get the C-index in R? Thanks, Bereket [[alternative HTML version deleted]]
bereket weldeslassie wrote:> Hi > > I am using Cox regression to identify at risk groups. How can I get the > C-index in R? > > Thanks, > > Bereketlibrary(Hmisc) ?rcorr.cens # assumes no overfitting Also: library(Design) ?validate # penalizes for overfitting Frank> <'r-help at stat.math.ethz.ch'> > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help at r-project.org mailing list > stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. >-- Frank E Harrell Jr Professor and Chair School of Medicine Department of Biostatistics Vanderbilt University