Message-ID: <1117117681.4295dcf1a3d75@mail-www2.oit.umass.edu>
Date: 2005-05-26T14:28:01Z
From: Richard Chandler
Subject: two-part models
Hello,
Is there a library that can be used to implement two-part models for
data with 'extra' zeros? I am already aware of some of the
zero-inflated poisson functions out there and of the negative binomial
glm option. Thanks.
Richard
--
Richard Chandler
Department of Natural Resources Conservation
UMass Amherst
(413)545-1237