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st: Test main effect (Beta) with significant interaction
From
Ricardo Ovaldia <[email protected]>
To
[email protected]
Subject
st: Test main effect (Beta) with significant interaction
Date
Thu, 23 Jun 2011 07:41:23 -0700 (PDT)
I have a linear regression model where my variable of interest interacts significantly with another variable. How do I test whether my variable of interest is significant (beta~=0)?
For example:
y=Bo + B1(x1)+B2(x2)+B3(x1*x2)
I want to test B1=0 but B3<0.05.
Thank you,
Ricardo
Ricardo Ovaldia, MS
Statistician
Oklahoma City, OK
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