[R] R-squared in mixed-effects models

[Spencer Graves]

      RSiteSearch("R^2 in lme") produced 34 hits for me just now, 
including 5 from an exchange on this list dated 2007.05.14. 

      They should answer your question better than I can. 

      Hope this helps. 
      Spencer Graves

Richard Gunton wrote:
> Hello,
>
> I'm fitting general linear models using the function lme() from the package
> nlme.  My variables include a number of covariates and a single random factor,
> because the experiment was laid out in blocks.  I'd like to have a statistic to
> measure the "proportion of explained variance" from my models.  With ordinary
> multiple regression I'd use R-squared, but I can't find any similar items in
> the output from lme().  Does anyone know something I can use in these or any
> other package?
>
> Thanks,
>
> Richard.
>
> --
> Richard Gunton
> PhD student - Ecology and Evolution group
> School of Biology, University of Leeds, LS2 9JT, UK
> Room 10.16, Miall Building   Tel: 0113 3432825
>
> http://www.personal.leeds.ac.uk/~bgyrg
>
> ~ Opinions expressed in this message are not attributable to the University of
> Leeds ~
>
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