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st: Negative binomial regression (nbreg): Plot an interaction effect of two continuous/interval variables


From   S Statistic <statalistrequest@googlemail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Negative binomial regression (nbreg): Plot an interaction effect of two continuous/interval variables
Date   Sat, 10 Sep 2011 17:35:53 +0200

Dear users of statalist,

I have a nbreg model containing 3 continuous variables and one interaction
effect of two of these variables.

How can I get a judicious plot of the interaction effect? A common method
for plotting interactions effets in general is a graph, where one uses
predications for -SD Mean +SD of both variables.

How can I do that or another valuable plot in stata for nbreg? Or how can I
use prvalue to calculate the needed values to put these data somehow in
excel?

Your kind help is highly appreciated.

Fred
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