[R] ctree and survival problem

From: moleps <moleps2_at_gmail.com>
Date: Wed, 27 Apr 2011 21:08:50 +0200

Dear all,

I was intrigued by the ctree command and wanted to check it out. I first ran the demo with example(ctree) and did get the survival graphs in the end. Upon doing this with my own data and yielding a "Invalid operation on a survival time" I tried to rerun example(ctree) and now I also get "Invalid operation on a survival time" after the example runs plot(GBSG2ct)... any ideas what is going on here. Im running R 2.11.1


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