Generally it is best to send questions like this to the
R-SIG-Mixed-Models@R-project.org mailing list (see instructions at
https://stat.ethz.ch/mailman/listinfo/r-sig-mixed-models).  Many of
those who read that list can reply and often much faster than I am
able to.



On Mon, Mar 4, 2013 at 2:08 PM, Margie Mathewson <m1mathew@ucsd.edu> wrote:

> Hi Dr. Bates,
>
> I'm a new R user who has been using your gls function to analyze scaling
> relationships in mammals while considering phylogenetic similarity. The
> gls function is really helpful, but I've got two questions about it:
>
> 1) For my project, I need to know the r or r^2 value of my scaling line,
> and I'm having trouble figuring out how to find it in R. Is there an easy
> way to get your function to spit out this value?
>
> 2) Is there a way to plot the regression line calculated by the program
> onto the data sets I'm analyzing in R? I've been able to plot residuals,
> but not the regression line and data.
>
> Thanks for any answers you can provide. I've done a little basic
> programming in matlab, but I'm having trouble following the syntax of the
> R code enough to figure out what I need.
>
> Thanks!
> Margie Mathewson
> PhD Candidate
> UCSD Bioengineering
>

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