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Re: st: analysis of multi-site studies
--- Stas Kolenikov <email@example.com> wrote:
> Your answer to (2) is not correct: the fixed effect
> is equivalent to
> introducing dummy variables only for the linear
> model. For anything
> non-linear, the fixed effect is conditioning on this
> (for the -clogit- > model, you are conditioning on >
the number of 0's and 1's in each
> center), which is some complicated algebra.
Thank you Stas. I though that they were equal if there
was only a single independent categorical variable in
Then the question remains, am I justified in using
-clogit- and not dummies in this situation?
Ricardo Ovaldia, MS
Oklahoma City, OK
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