| To: | mtexeira@agro.uba.ar |
|---|---|
| Subject: | Re: overdispersion in logistic regression |
| From: | Tim Hesterberg <timh@insightful.com> |
| Date: | 13 Jul 2005 17:24:39 -0700 |
| Cc: | s-news@lists.biostat.wustl.edu |
| In-reply-to: | <1121105272.42d2b5783d0a6@webmail3.agro.uba.ar> (mtexeira@agro.uba.ar) |
| References: | <1121105272.42d2b5783d0a6@webmail3.agro.uba.ar> |
>Everybody knows how can I correct for overdispersion in a logistic regression >problem ? > >thanks >Marcos Texeira I would typically estimate parameters ignoring the over-dispersion, then specified the dispersion when calling summary(). I don't recall if I estimated the dispersion myself, or passed dispersion = 0. See help(summary.glm) Tim Hesterberg |
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