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st: Panel count data


From   Alexander Bailey <balcheeks@googlemail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Panel count data
Date   Thu, 6 Sep 2012 19:07:54 +0200

I have panel count data, which i have being trying to model using the
quasi-poisson model to correct for overdispersion.

 glm stocklosses L.lynx L.feraldogs L.jackal L.ratelhoneybadger rain
L.rain distance, family(poisson) link(log) scale (x2)

Is this incorrect? If so what model should I use? If it is the correct
approach how do I assess the fit of the model? Finally There is a
fairly large incidents of zeros in my data, but stata does not allow
me to use the zero-inflated commands with lagged explanatory variables
which is crucial to my model.

Thanks for the help,
Alex
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