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Re: st: Are my -xtmixed- intercepts accurate?
From
"Clyde Schechter" <[email protected]>
To
[email protected]
Subject
Re: st: Are my -xtmixed- intercepts accurate?
Date
Sat, 21 Aug 2010 16:21:39 -0700
<>
One side comment unrelated to the interpretation of the residuals.
If I understood the original post correctly, you want to contrast the
change over time between treatment groups. In that case, your model
should have a time X tx interaction term among the fixed effects. So,
assuming time is a discrete variable in your situation, I think it should
look like:
xtmixed avg i.time##i.tx || ...
Clyde Schechter, MA MD
Associate Professor of Family & Social Medicine
Please note new e-mail address: [email protected]
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