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?
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