Re: st: margins after panel commands

[Maarten buis <maartenbuis@yahoo.co.uk>]

--- On Thu, 1/4/10, Stephen O Neill wrote:
> I am trying to estimate average partial effects after
> xtprobit. When I use margins, dydx(*) after probit, I get
> average marginal effects ok, however when I try to use
> margins, dydx(*) again after xtprobit ..., re margins just
> returns the original coefficients rather than average
> partial effects. I find a simliar problem after xttobit. Can
> somebody clairfy why this is? 

Because -margins- will take the default prediction if you don't 
specify what kind of dependent variable you want to consider 
(using the -predict()- option inside -margins-). Look at
-help xtprobit postestimation##predict- to see what those defaults
are.

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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