Dear Markus! Since I did not see an answer yet, my suggestion is to use coxph with the groups variable numerically coded as the only independent variable.
Heinz At 13:39 21.04.2008, Markus Kreuz wrote: >Hello, >is there a R package that provides a log rank trend test >for survival data in >=3 treatment groups? >Or are there any comparable trend tests for survival data in R? > >Thanks a lot >Markus > >-- >Dipl. Inf. Markus Kreuz >Universitaet Leipzig >Institut fuer medizinische Informatik, Statistik und Epidemiologie (IMISE) >Haertelstr. 16-18 >D-04107 Leipzig > >Tel. +49 341 97 16 276 >Fax. +49 341 97 16 109 >email: [EMAIL PROTECTED] > >______________________________________________ >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. ______________________________________________ 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.