On Jun 7, 2013, at 15:34 , Richard Beckett wrote: > Sorry to once again write a message but I'm once again stumped and am having > no luck finding a solution anywhere else. > > > This question requires some finesse in both R and STATA so hopefully I will > be able to get an answer here. I am much more adept in R and am trying to > replicate the results of a STATA file in R. Hopefully this is a proper forum > for such questions. > > > This is the code for the clogit in STATA > clogit sftpcons sftptv2a3 sftptv2a4 sftptv2a5 sftptv2a2 sftptv2a6 logim > maccat disp4cat if sample==1 & glb_ind=="Y", group(stratida) > and I tried to replicate it using > clogit1<-clogit(sftpcons~sftptv2a3+sftptv2a4+sftptv2a5+sftptv2a2+sftptv2a6+logim+maccat+disp4cat+strata(stratida), > dframe, sample==1 | glb_ind=="Y") > but got different results > What did I do wrong here? I interpreted the STATA clogit as run this logit as > long as the sample is 1 and glb_ind="Y" What should I be doing instead?
An "&" rather than "|" in the R version might help. Other than that, we're a bit short on clues unless you provide some output. -- Peter Dalgaard, Professor, Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Email: pd....@cbs.dk Priv: pda...@gmail.com ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
