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Re: st: Mlogit: Log pseudolikelihood bug?

From   Maarten buis <>
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 L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen


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