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Re: st: xtmelogit

From   "JVerkuilen (Gmail)" <>
Subject   Re: st: xtmelogit
Date   Tue, 13 Nov 2012 19:44:55 -0500

On Tue, Nov 13, 2012 at 4:22 PM, Szabo S.M. <> wrote:
> Dear STATA Listers,
> I wanted to inquire whether anyone else had a problem using xtmelogit command. I am trying to fit a couple of multilevel logistic models and it takes a (very) long time to obtain output (including interactions, random effects, unstructured covariance and odds ratio options).
> This has lead me to a frustration and considering switching to MLWin, although I have traditionally used STATA.

Sounds like you're trying to fit a very complex model, which will take
a long time due to the fact that adaptive quadrature is being used by
-xtmelogit-. You may want to switch to the Laplace approximation to
see if that speeds things up and then use adaptive quadrature only on
the final model.

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