Hi, Just to emphasize Bert's e-mail with a hint, the 'mark.time' argument for plot.survfit() is FALSE by default.
Regards, Marc Schwartz > On Jan 17, 2019, at 2:45 PM, Bert Gunter <bgunter.4...@gmail.com> wrote: > > Have you consulted ?plot.survfit ? There are examples for KM plots there. > > Also, obvious question: Have you specfied the censoring properly in your > data and fit? > > > Bert Gunter > > "The trouble with having an open mind is that people keep coming along and > sticking things into it." > -- Opus (aka Berkeley Breathed in his "Bloom County" comic strip ) > > > On Thu, Jan 17, 2019 at 11:39 AM Medic <mailipadp...@gmail.com> wrote: > >> According to the guidelines (if I'm not mistaken), the code below is >> sufficient (without any specification) to give Kaplan-Meier curves with >> censored data markings on Kaplan-Meier curves. But in my case censored data >> don't appears on the curves?! >> >> library(survival) >> mydata<-read.csv (file="C:/mydata/mydata.csv", header=TRUE, sep=";" ) >> # Sic! The separator in my csv file is ";" >> >> dput (mydata, "dputmydata.r") >> #attached >> >> Y <- Surv (mydata$time, mydata$status == 2) >> # 2 -- encodes event >> >> km <- survfit (Y~mydata$stage) >> >> plot (km) ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
