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Re: st: xtmelogit
From
"JVerkuilen (Gmail)" <[email protected]>
To
[email protected]
Subject
Re: st: xtmelogit
Date
Wed, 14 Nov 2012 15:30:26 -0500
On Wed, Nov 14, 2012 at 1:36 PM, Szabo S.M. <[email protected]> wrote:
> Very grateful to all. I initially left it to run overnight and it still did not produce the results. But then I reduced the dataset by removing the unnecessary variables and reduced the number of options used. This seemed to help. I did not measure the time now, but it takes a couple of hours, which seems acceptable. I will implement all recommendations as I go along.>
You may well have run into collinearity problems or locations of the
parameter space where the adaptive quadrature couldn't *quite* find a
solution. It didn't fail outright but was going to diverge. That's
usually the sign of a model that's too complex.
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