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prednisolone
2008 Mar 02
1
Problem plotting curve on survival curve (something silly?)
...plotting a Kaplan-Meier Survival Curve by using the
following:
> my_var.bygroup <- survfit(Surv (Survival, Censored==0) ~
TreatmentGroup, data=TestData)
> plot(my_var.bygroup, conf.int=FALSE, col=c("black","grey"), lty=1:2,
legend.text=c("Placebo","Prednisolone"), main="dKaplan-Meier Survival
Curve", xlab="Time (months)", ylab="Probability of Survival")
That produces this: http://www.wittongilbert.free-online.co.uk/RGraph.jpg
All of that is very nice so far. The I followed bits and pieces of
other peoples posts...