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st: predictions


From   Johannes Geyer <JGeyer@diw.de>
To   statalist@hsphsun2.harvard.edu
Subject   st: predictions
Date   Fri, 7 Sep 2007 10:03:27 +0200

Dear all,

I would like to estimate a linear model with several interactions:

reg y age age2 age3 age4 x1 x2 x3 x4 age*x1 age*x2 .... age4*x3 age4*x4

Then I would like to compare results for different x, i.e. I have four 
groups (and a base category) and they may differ in their age-profile. So 
far I used Excel to calculate different profiles but I it is very 
cumbersomely... That is why I am looking for a more convenient 
post-estimation command. (I think the spost package does something similar 
for categorical variables.) The problem arises because I do not want to 
compare at sample means.

I would be happy if somebody had an idea which command could help,

thank you

regards

Johannes







----------------------
Johannes Geyer
Deutsches Institut für Wirtschaftsforschung (DIW Berlin)
German Institute for Economic Research 
Graduate Center
DIW Berlin
Mohrenstraße 58
10117 Berlin
Tel: +49-30-89789-258

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