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st: BLONDE MOMENT
Forgive me for being thick, but how many different 'structures of
correlation' are there? I'm only aware of two: bivarate and canonical!
>>> (1) I cannot successfully fit an -xtgee- model (ie, xtgee [depvar]
>>> [varlist], family(binomial) link(probit) i(id) t(waves38)). All I get
>>> this error message: "estimates diverging (absolute correlation > 1)
>>> r(430);". Uhh? And how can this be got round?
> You don't mention what correlation structure you are specifying. I often
> have this problem when I specify unstructured correlation - which is the
> most general. If this is the case, you may solve your problem by trying a
> different (appropriate) correlation structure.
> Just a thought...
> Sarah A. Mustillo, Ph.D
> Department of Psychiatry and Behavioral Sciences
> Duke University School of Medicine
> Box 3454
> Durham NC 27710
> 919 687-4686 x231
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> * http://www.ats.ucla.edu/stat/stata/
School of Geography, Politics and Sociology,
University of Newcastle-upon-Tyne,
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