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st: actually vs. reported dropped observations xtlogit
From
"Seliger Florian" <[email protected]>
To
"'[email protected]'" <[email protected]>
Subject
st: actually vs. reported dropped observations xtlogit
Date
Thu, 15 Nov 2012 09:49:54 +0000
Dear Statalist,
Using a fixed effects logit model (xtlogit, fe), STATA reports that it drops N=3540 observations because all positive or all negative outcomes.
This is understandable given the way how "xtlogit, fe" works.
However, in the corresponding random effects model, we have N=4246 observations.
In the fixed effects model, we have N=984 observations.
4246-984=3262 !
3263 is smaller than 3540. Hence, STATA reports to have dropped more observations than it actually did.
Do you have an explanation?
Thank you for your consideration.
Best wishes,
Florian
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