Thanks! Re: Kaplan-Meier plot

Bert Gunter:
"Have you consulted ?plot.survfit ? "

Marc Schwartz
"The 'mark.time' argument for plot.survfit() is FALSE by default."

Great thanks, Bert, for explanation in which documentation to view information!
Thank you very much, Marc!
Yes, specification required:
plot (km, mark.time=TRUE)
for the appearance censored data on the Kaplan-Meier plot!