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psfaculty
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
>