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st: nbreg or ologit?


From   "Shittu, Aminu" <ameen_vet@yahoo.com>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: nbreg or ologit?
Date   Tue, 19 Jun 2012 10:23:09 -0700 (PDT)

Dear Statalisters,

In a count data from individual animals (20 samples collected from each of the 23 farms and production questionnaire administered); should the count data be modelled using "nbreg" or the count response be converted to an ordinal variable as low, medium and high egg counts and modelled using "ologit?" Could both be interpreted similarly? Furthermore, is it ok including farm as random effect as animals are clustered within farms?

Regards,

Aminu.

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