[R] lme or gls prediction intervals

Martin Henry H. Stevens HStevens at MUOhio.edu
Tue Jul 24 19:22:26 CEST 2007

Hi folks,
I am trying to generate 95% confidence intervals for a gls model  
using predict.nlme
R version 2.5.1 (2007-06-27)
. nlme: Linear  and Nonlinear Mixed Effects Models. R package version

I have looked in help, and I can do it for lm and glm models, and I  
can generate simple predictions for lme models with various levels --  
I am familiar with the basics.

Is there a way to get prediction intervals for gls models? My "best"  
model uses varPower(), so I am reluctant to fall back on lm predictions.

Thank you,


Dr. Hank Stevens, Associate Professor
338 Pearson Hall
Botany Department
Miami University
Oxford, OH 45056

Office: (513) 529-4206
Lab: (513) 529-4262
FAX: (513) 529-4243

"E Pluribus Unum"

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