| To: | <s-news@wubios.wustl.edu> |
|---|---|
| Subject: | varExp in lme |
| From: | "Eric Turkheimer" <ent3c@virginia.edu> |
| Date: | Thu, 18 Dec 2003 19:20:40 -0500 |
| Importance: | Normal |
I want to model the within group variances in an lme model as a simultaneous exponential function of *several* covariates. I can see in Pinheiro and Bates how to do it for one covariate, but not for multiple covariates. Any help appreciated. Eric Eric Turkheimer, PhD Department of Psychology University of Virginia PO Box 400400 Charlottesville, VA 22904-4400 434-982-4732 434-982-4766 (FAX) |
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