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Re: st: irr in ZINB command
From
Maarten Buis <[email protected]>
To
[email protected]
Subject
Re: st: irr in ZINB command
Date
Tue, 21 Jun 2011 10:15:36 +0200
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
http://www.maartenbuis.nl
--------------------------
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