On Fri, 2012-03-09 at 12:00 +0100, r-help-requ...@r-project.org wrote: > > A note on standard errors: ?S(t) +- std is a terrible confidence > > interval. ?You will be much more accurate if you use log > scale. ?(Some > > argue for logit or log-log, in truth they all work well.) ? If n is > large > > enough, however, you should be ok. > > Very true, but if one really wants a confidence interval for > S_1(t)-S_2(t) (not for S_1(t)/S_2(t)) then one is pretty much forced > to use the raw probability scale. > > -thomas
I agree, and stand corrected. ______________________________________________ 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.
