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Re: st: plotting marginal effect for xtreg interaction terms
From
Maarten Buis <[email protected]>
To
[email protected]
Subject
Re: st: plotting marginal effect for xtreg interaction terms
Date
Wed, 19 Oct 2011 15:23:17 +0200
On Wed, Oct 19, 2011 at 1:54 PM, lreine ycenna <[email protected]> wrote:
> I seem to have made an error somewhere in my command, but I don't know where.
> (1) stata returns an error message after the first line of my command
> is entered (xtreg Y A B AxB, fe)- independent variables are collinear
> with the panel variable cn r(198);
It probably means that the combination of A and B is constant within
the groups for which you defined fixed effects. So you cannot estimate
that model.
> (2) I'm not sure whether I can plot the marginal effect for xtreg.
> Correct me if im wrong.
<http://www.ats.ucla.edu/stat/stata/faq/margins_graph12.htm>
Hope this helps,
Maarten
--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany
http://www.maartenbuis.nl
--------------------------
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