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"Sun, Wensheng" <firstname.lastname@example.org>
Thu, 3 Jan 2013 17:10:15 -0600
xtmixed depvar time(indepvar1) i.treatment(indepvar2) timextreatment(interaction), ||id:time, covariance(unstructured) residuals(independent) mle variance
I want indepvar1 (time) to be random in coefficient and intercept, eg. each id has its own slope and overall, different treatment has different slope at each time point. However, when I do
margins treatment, at(time=(0 6 12 24)) then marginsplot, I got two straight parallel lines. How should I fix that?
Thank you very much!
I have sent the same email before. However, I found some of the text has been changed during the process. That's why I send it again. Thanks.
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