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st: results of interaction term


From   Jian Liu <jian.liu@brocku.ca>
To   statalist@hsphsun2.harvard.edu
Subject   st: results of interaction term
Date   Thu, 17 Mar 2005 15:43:05 -0500

Dear list members,

I've a question regarding interpretation of the results of interaction term from multiple regression model.
before introducing interaction term, the results from MR were:
x1 (continuous) significant
x2 (binomial) significant
after introducing the interaction term x1x2, the results from MR were:
x1 significant with no change of coefficient
x2 not significant with a change of coefficient
x1x2 not significant

So how do we interpret the results as such? thanks for your help.

Jason

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