Hello Stata users,
I ran the following two models:
xtmixed w1 time ses time*ses || id: time, covariance(uns) variance
and
xtmixed wfinal time ses time*ses || id: time, covariance(uns) variance
where ses was coded as 1 for high and 0 for low.
I want to construct regression lines based on the two models. Basically, I am looking for four regression lines for comparison purposes (Two lines (with w1 and wfinal) for high ses and two for low ses on the same graph for comparison purposes).
I am not sure how to do that. Any thoughts on how to get all the 4 lines on the same graph?
Thanks,
Debs
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