> My result using Kaplan-Meier estimate in survival package was
> inconsistent with that from Minitab. The survival probabilities are
> same, but their 95% are different.

 Confidence intervals for a survival curve may be calcualted on the
linear (poor performance), log (good), log-log (good), or logit (good)
scales.  I expect that Minitab and S default to different choices.  See
the conf.type argument in help(survfit.formula).

Terry Therneau

______________________________________________
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.

Reply via email to