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mfx after pgmhaz8 [was: Re: st: Date: Fri, 17 Sep 2010 10:52:44 +0200]

From   Maarten buis <>
Subject   mfx after pgmhaz8 [was: Re: st: Date: Fri, 17 Sep 2010 10:52:44 +0200]
Date   Fri, 17 Sep 2010 09:32:24 +0000 (GMT)

--- On Fri, 17/9/10, Anne Line Bretteville-Jensen wrote:
> I am running discrete time duration models with gamma
> frailty using the -pgmhaz8- command. I am trying to get the
> marginal effects too, but when I run the -mfx- command I
> only get the regression coefficients again and not the
> marginal effects.  Do anyone know what I can do to get
> the correct marginal effects aften having run PGM hazard
> model with gamma frailty?

The usual effect sizes reported are the hazard ratios which
you will get when you add the -eform-. I don't think it is
possible to use -mfx- to get any other type of marginal
effect, as -pgmhaz8- does not contain a predict function.

Hope this helps,

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


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