I don't know how you got the output you did -- I cannot get a printout that says "gamma:1".
Please provide the information specified in the posting guide, e.g., version of R, platform, loaded packages, the statements you typed to get this output, etc, Terry Therneau (author of survival) ______________________________________________ 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.