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2004 May 10
1
Explaining Survival difference between Stata and R
...got a dataset from a student who uses Stata and try to replicate in R. 
I will share data to you in case you want to see for yourself.  Let me 
know if you want text or Stata data file.
In R, I try this:
 > cox2 <- coxph(Surv(yrs2,ratify)~ accession+ haz.wst+ haz.in +haz.out+ 
wefgov+ rle+ rqe + pol.free +tai.2001 + ny.gdp.pcap.pp.cd + eio, 
data=dat3, control=coxph.control(iter.max=1000),singular.ok=T)
Warning message:
Ran out of iterations and did not converge in: fitter(X, Y, strats, 
offset, init, control, weights = weights,
So I wrote out the file exatly as it was in R into Stata d...