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2017 Nov 07
0
Survfit when new data has only 1 row of data
Dear R-help, I am using R version 3.4.0 within Windows, and survival 2.41-3. I have fit a Prentice Williams and Peterson-Counting Process model to my data as shown below. This is basically an extension of the Cox model for interval censored data. My dataset, bdat5 can be found here: https://drive.google.com/open?id=1sQSBEe1uBzh_gYbcj4P5Kuephvalc3gh cfitcp2 <- coxph(Surv(start,stop,status)~sex+rels+factor(treat)+log(age)+log(tcrate3+0.01)+cluster(trialno)+strata(enum),data=bdat5,model=TRUE,x=TRUE,y=TRUE) I would now like to use the model to predict the...