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Re: st: Mlogit: Log pseudolikelihood bug?


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Mlogit: Log pseudolikelihood bug?
Date   Sun, 27 Feb 2011 16:33:20 +0000 (GMT)

--- On Sun, 27/2/11, Robert L. Hellpap wrote:
> In this case we are interested in fit
> indices and not in the coefficients. We trie to compare
> different "groupings" like a very disaggregated to a more
> aggregated model. Got any suggestions?

Depends on what the exact problem is. I would guess that with
that many dummies you will end up with (almost) perfect 
predictions on at least one of the equations. I would check
for that. If that is the case then simplifying the model is
pretty much unavoidable.

Hope this helps,
maarten

--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany

http://www.maartenbuis.nl
--------------------------


      

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