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st: RE: Question regarding postgr3


From   "Maarten Buis" <[email protected]>
To   <[email protected]>
Subject   st: RE: Question regarding postgr3
Date   Tue, 9 Jan 2007 14:11:29 +0100

--- Stijn Ruiter wrote:
> I tried to make a graph using postgr3, but did not succeed plotting
> expected probabilities (estimated with logit) by a specific variable
> (say, Z) holding all other variables at the group mean given Z. Using
> the x() option followed by rest(grmean) allows to hold the other
> variables constant at the group mean given X, but this is not what I
> intended to do.
> More specifically, I want to plot expected probabilities over time (so,
> "postgr3 year") holding all covariates constant at the year-specific
> means. Is this somehow possible?

Beste Stijn,
The helpfile of -postgr3- contains examples you can directly 
copy and paste in your do-file editor and run. Can you get 
those examples to run? If you can't there is something wrong 
with your installation, most likely -spost- isn't installed.
To find that out, you can type -which prgen-, I get:

c:\ado\plus\p\prgen.ado
*! version 2.0.4 23Jun2005 : _pexstring bug fix (2)

Otherwise you will get:
command prgen not found as either built-in or ado-file


Hope this helps,
Maarten



-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology 
Vrije Universiteit Amsterdam 
Boelelaan 1081 
1081 HV Amsterdam 
The Netherlands

visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434 

+31 20 5986715

http://home.fsw.vu.nl/m.buis/
-----------------------------------------



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