Bookmark and Share

Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: irr in ZINB command

From   Maarten Buis <>
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 L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen

*   For searches and help try:

© Copyright 1996–2018 StataCorp LLC   |   Terms of use   |   Privacy   |   Contact us   |   Site index