[R-sig-ME] FW: syntax lmer random effects
Nathan Leon Pace, MD, MStat
n.l.pace at utah.edu
Thu Jul 26 19:43:29 CEST 2007
Forgot to add that the family = binomial.
> Even after reading the various help files, I don¹t really understand the
> formatting of the grouping factor.
> My model is z ~ x*y with 1 grouping factor. I wish to compare models with
> only an intercept random effect, random effects for intercept and x, random
> effects for intercept and y, random effects for intercept plus x and y
> (independent and not independent), and random effects for all fixed effects
> (independent and not independent).
> My data frame has 360 rows with 24 levels of the grouping factor
> R version 2.5.1 (2007-06-27)
> attached base packages:
>  "stats" "graphics" "grDevices" "utils" "datasets" "methods"
> other attached packages:
> lme4 Matrix lattice
> "0.99875-4" "0.999375-0" "0.16-2"
> Insights will be appreciated.
> Nathan Leon Pace, MD, MStat
> University of Utah
> n.l.pace at utah.edu
> W: 801.581.6393
> F: 801.581.4367
> M: 801.205.1019
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> R-sig-mixed-models at r-project.org mailing list
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