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st: RE: xtzinb


From   "FEIVESON, ALAN H. (AL) (JSC-SK) (NASA)" <alan.h.feiveson@nasa.gov>
To   "'statalist@hsphsun2.harvard.edu'" <statalist@hsphsun2.harvard.edu>
Subject   st: RE: xtzinb
Date   Wed, 12 Nov 2003 08:15:23 -0600

I too would like to see an "xtzinb" comand. As an alternative I am using
zinb with the "cluster" option.

Al Feiveson

-----Original Message-----
From: Manchin Miriam [mailto:mirim@freemail.hu]
Sent: Tuesday, November 11, 2003 9:10 AM
To: statalist@hsphsun2.harvard.edu
Subject: st: xtzinb


Dear All,
I am trying to do a negative binomial regression. My dependent 
variable is a count variable, and for almost 30% of the observation the 
dependent variable is zero. I have a panel dataset, therefore I am 
using xtnbreg. However I couldn't find zero inflated negative binomial 
regression possibility for panel data, what would be more appropriate 
given the large number of zero observations. Does anyone know about 
the existence of "xtzinb"?
Thanks,
Miriam 


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