> In the example below (or for a censored data) using survfit.coxph, can > anyone point me to a link or a pdf as to how the probabilities appearing in > bold under "summary(pred$surv)" are calculated?
These are predicted probabilities that a subject who is age 60 will still be alive. How this is done takes up a chapter in my book -- there is not a simple 1-2 page pdf summary that I know of. Other advanced textbooks on survival cover the topic also. 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.
