> 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.
