[R] survival analysis: interval censored data

[Daniel Malter]

Please adhere to the posting guide (i.e., provide a sample of self contained
code and provide the error message). And what does "but it is not working"
mean? Is there an error code?


rueu wrote:
> 
> hello:
> my data looks like:
> time1  time2   event  catagoria
> 
> 2004    2006        1            C
> 2004    2005        0            C
> 
> 2005    2010        1            E
> 
> 2007    2009        1            C
> 
> 2006    2007        0            E
> 
> 2008    2010        0            C
> 
> 2008    2010        1            E
> ...
> 
> 
> and the census interval is 1 year
> 
> I have tried  this 
> 
> surara<-survfit(Surv(time1,time2,event,type="interval")~categoria)
> 
> but it is not working
> 	[[alternative HTML version deleted]]
> 
> 
> ______________________________________________
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 

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