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st: XTGEE of morbidity data

From   "Mike Sanderson" <>
To   <>
Subject   st: XTGEE of morbidity data
Date   Thu, 19 Jun 2003 16:20:50 -0500

I have a dataset of weekly morbidity counts and populations at risk from
123 pens of feedlot cattle.
Have run XTGEE family Poisson, log link, t(week) i(pen number) exp(pop
at risk)

Are there any goodness of fit statistics for this model? I have been
unable to find any. Does any one have suggestions of how to assess the
fit or a better way to deal with the data?


Mike Sanderson DVM, MS, DACVPM, DACT
Associate Professor, Beef Production
Kansas State University, College of Veterinary Medicine
Ph: 785-532-5700,  FAX 785-532-4989
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