| To: | r-help@stat.math.ethz.ch, s-news@wubios.wustl.edu, nlme-announce@franz.stat.wisc.edu |
|---|---|
| Subject: | nlme |
| From: | "Nathan Leon Pace, MD, MStat" <nlpace@remi.med.utah.edu> |
| Date: | Sat, 24 Aug 2002 14:09:53 -0600 |
| Organization: | University of Utah |
| Reply-to: | nlpace@remi.med.utah.edu |
| User-agent: | Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en-US; rv:0.9.4) Gecko/20011126 Netscape6/6.2.1 |
In the non linear mixed effects package a groupedData object can be
created to facilitate modeling.
The gD object includes a formula of the form 'response variable' ~ 'primary covariate' | 'grouping factor'. In experiments creating response surfaces there are 2 or more primary covariates. Is there any way to use the groupedData() function to include 2 primary covariates? Thanks -- Nathan Leon Pace, MD, MStat Work:nlpace@bigpace.med.utah.ed Department of Anesthesiology Play:nlpaces@attbi.com University of Utah Voice Work:801.581.6393 Play:801.467.2925 Salt Lake City, Utah Fax Work:801.581.4367 Play:801.467.0555 |
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