Martin,
Have you checked ?intervals.gls
This intervals are approximate, but this would be the obvious starting
point to me.
Joris
"Martin Henry H.
Stevens"
<[EMAIL PROTECTED] To
edu> R-Help <[email protected]>
Sent by: cc
[EMAIL PROTECTED]
at.math.ethz.ch Subject
[R] lme or gls prediction intervals
24/07/2007 19:22
Hi folks,
I am trying to generate 95% confidence intervals for a gls model
using predict.nlme
with
R version 2.5.1 (2007-06-27)
. nlme: Linear and Nonlinear Mixed Effects Models. R package version
3.1-83.
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,
Hank
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
http://www.cas.muohio.edu/~stevenmh/
http://www.muohio.edu/ecology/
http://www.muohio.edu/botany/
"E Pluribus Unum"
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