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st: Is there a combination of a rare event logit and a survey-weighted logit model?


From   heiko.bergmann@unisg.ch
To   statalist@hsphsun2.harvard.edu
Subject   st: Is there a combination of a rare event logit and a survey-weighted logit model?
Date   Tue, 30 Dec 2008 15:57:13 +0100

Dear stata listers

I want to make logistic regressions in rare events data which are obtained 
from a complex clustered survey. So far I used the svylogit command to 
take account of the clustering of the data. I also used the weight command 
to control for different selection probabilities.

However, since I am also dealing with a rare event (5-6%) it might be 
important to correct for the bias when the observed events are rare. I 
know the relogit command from Gary King. However, there does not seem to 
be an option to run this command with data from a non-simple random 
sample.

In your view, what is more important: taking account of the clustering of 
the data or correcting for the rare-events bias? 
Best would obviously be a command that can do both. Is there such a 
command?

thanks for your consideration

best regards from Switzerland

Heiko


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