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Re: st: irr in ZINB command


From   Ari Samaranayaka <[email protected]>
To   <[email protected]>
Subject   Re: st: irr in ZINB command
Date   Wed, 22 Jun 2011 11:45:10 +1200

Maarten
Thank you very much Maarten. Question fully answered.
Ari

On 21/06/2011 8:15 p.m., Maarten Buis wrote:
On Tue, Jun 21, 2011 at 8:59 AM, Ari Samaranayaka wrote:
I am using ZINB command. For count model in this command we can get IRR
using irr option, but not for zero-inflated model of the command. Is there
any reason not to produce IRR for zero-inflated model? If  not does anyone
know how to get IRR for the zero-inflated model too ?
The inflate part of -zinb- uses (by default) the logit link function ,
so incidence rate ratios do not make sense for the inflate part. You
could get odds ratios. You can get those by typing -est table , eform
b se- after you estimated your -zinb- model.

Hope this helps,
Maarten

--------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany





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