[R] Robust clustered errors for probit ordinal regression analysis

Faradj Koliev faradj.g at gmail.com
Thu Apr 28 15:38:51 CEST 2016


Dear all, 

I’ll need your help with obtaining robust clustered errors. I use polr command in MASS package m<–porl(y~x1+x2,data=mydata, method=probit). In the rms package, this is as simple as: clusterSE<–robcov(m, mydata$id). Is it possible to do something similar for polr object as well? Thank you very much

Best, 
Faradj 
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