Yes, and please show us a reproducible example or small section of the data as well as the error output.
On Thu, 2005-07-14 at 15:36 +0000, Dieter Menne wrote: > Kylie-Anne Richards <kar <at> itga.com.au> writes: > > > > > I am fitting a coxph model with factors. I am running into problems when > > using 'survfit'. I am unsure how R is treating the factors when I fit, say: > > > DATA<-data.frame(time.sec,done,f.pom=factor(f.pom),po,vo) > > > final<-coxph(Surv(time.sec,done)~f.pom*vo+po,data=DATA) > > > final.surv<-survfit((final), individual=T,conf.type="log-log") > > > print(final.surv) > .... > > Better chances to get a reply when you tell us what problems you are running > into. > > Dieter Menne > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html