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2009 Jul 22
1
kaplan-meier error
Hi all, I am getting an error in my code and I don't know what the problem is. I am using R 2.9 on ubuntu. my code is as follows: ## Libraries ## library(survival) library(foreign) ## reading data ## data<-read.dta("http://psfaculty.ucdavis.edu/bsjjones/cabinet.dta") head(data) attach(data) fit1<-survfit(Surv(durat,censor)) and I get the following error >