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Re: st: clustering and fixed effects poisson
From
Rafal Raciborski <[email protected]>
To
[email protected]
Subject
Re: st: clustering and fixed effects poisson
Date
Fri, 09 Jul 2010 12:41:45 -0500
Tatyana Deryugina <[email protected]> asked:
> I'm trying to estimate a Poisson model on panel data (county by year),
> using fixed effects. I would like to cluster by county, but the
> xtpoisson command doesn't seem to allow this. Does anyone know of an
> add-on that allows for clustering with fixed effects poisson?
Cluster-robust standard errors for fixed-effects -xtpoisson- were added in Stata 11.1. If Tatyana is currently using Stata 11, she can upgrade for free to Stata 11.1 by typing -update all-.
-- Rafal
[email protected]
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