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Re: st: Testing whether the average partial effects are statistically different across groups?


From   Maarten Buis <maartenlbuis@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Testing whether the average partial effects are statistically different across groups?
Date   Wed, 31 Aug 2011 14:17:41 +0200

On Wed, Aug 31, 2011 at 2:14 PM, natasha agarwal wrote:
> You will have to alter the margins command and it will look like
> 'margins, predict(pu0) over(south) dydx(c.year) at(south=(0 1))
> coeflegend post'

That way you are fixing the group level random effects at the mean,
which does not fit well withing the logic of average marginal effects.

-- Maarten

--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany


http://www.maartenbuis.nl
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