[R] Coxph with factors

[Adaikalavan Ramasamy]

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 at 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
>