Re: [R] changes in coxph in "survival" from older version?

From: Terry Therneau <therneau_at_mayo.edu>
Date: Tue, 17 May 2011 08:23:14 -0500

You have 17 predictors with only 22 events. All methods of "variable selection" in such a scenario will give essentially random results. There is simply not enough information present to determine a best predictor or best subset of predictors.

Terry Therneau



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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. Received on Tue 17 May 2011 - 13:25:49 GMT

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