Re: [R] 95% CI of Kaplan-Meier survival in package survival

2010-09-27 Thread Terry Therneau
> 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 l

[R] 95% CI of Kaplan-Meier survival in package survival

2010-09-24 Thread Wu Gong
Hi: My result using Kaplan-Meier estimate in survival package was inconsistent with that from Minitab. The survival probabilities are same, but their 95% CI are different from other calculation. Could you help me find what is wrong with the code? Thanks in advance. library(survival) raw.a <- c(8