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st: Predicting Random Effects from a Crossed-Level Model using xtmelogit


From   "Lee, Albert" <Albert.Lee@hud.gov>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: Predicting Random Effects from a Crossed-Level Model using xtmelogit
Date   Tue, 29 Dec 2009 00:11:39 -0500

Hi, 

This may be obvious.  If so, I apologize in advance.

I'm estimating a logistic model with crossed-level random effects.  The outcome binary variable is fail with one fixed-effect independent binary variable refinance.  The three crossed-level random effects are VAR1, VAR2 and VAR3.  The STATA command I used is as below:

xtmelogit fail refinance || _all:R.VAR1 || _all:R.VAR2 || _all:R.VAR3 

After estimating this model, I tried to recover the random effects of VAR3 using:

predict u, reffects level(VAR3)

However, u only contains missing values.

I would very much appreciate if someone can help me recovering these predicted random effects.

Thanks,

Albert Lee

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