[R] variance functions in glmmPQL or glm?

From: Gretchen <ande1125_at_msu.edu>
Date: Wed 20 Sep 2006 - 15:02:09 GMT

Hello R users-
I am new to R, and tried searching the archives and literature for an answer to this - please be patient if I missed something obvious.

I am fitting a logistic regression model, and would like to include variance functions (specifically the varIdent function). I cannot figure out how to do this either in glmmPQL (or something similar) for the model with random effects, or in glm for the model without random effects. Is it possible to fit a varIdent function in a generalized linear model? If so, what are the appropriate packages/functions to use?

Any help would be appreciated.
Thank you,
Gretchen Anderson  

M.Sc. Candidate

Dept. of Fisheries and Wildlife

Michigan State University

13 Natural Resources Building

East Lansing, MI 48824

Phone: (517) 353-0731

E-Mail: ande1125@msu.edu

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