[R] Trend test for survival data

Heinz Tuechler tuechler at gmx.at
Tue Apr 22 13:27:11 CEST 2008

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.


At 13:39 21.04.2008, Markus Kreuz wrote:
>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
>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: markus.kreuz at imise.uni-leipzig.de
>R-help at r-project.org mailing list
>PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>and provide commented, minimal, self-contained, reproducible code.

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