Is it possible to get survfit to produce the survival line for a single strata like
preddow <- survfit(modall,newdata=newdat,se.fit=F,strata=2) # the strata argument is being ignored in the call above Or even get a more economical/faster calculation of the hazard directly from the coxph object?? Stephen [[alternative HTML version deleted]] ______________________________________________ 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.