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