[R] [R-sig-ME] Calculating F values for lme function

[Bert Gunter]

Ricardo:
You may do better posting on the r-sig-mixed-models list, which is
specifically devoted to such topics.

FWIW, re calculating F-values for mixed effects models, I think many say:
don't.

Bert Gunter

"The trouble with having an open mind is that people keep coming along and
sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )


On Tue, Jan 15, 2019 at 8:36 AM Jeff Newmiller <jdnewmil using dcn.davis.ca.us>
wrote:

> You should use Reply-All to make sure the discussion continues to include
> the mailing list.
>
> Have you looked at the help for lme?
>
> lme is non-trivial, so it may take some reading. I only have a few of the
> references listed in the help file, and none with me at the moment.
>
> On January 15, 2019 7:36:22 AM PST, RICARDO ALVARADO BARRANTES <
> RICARDO.ALVARADO using ucr.ac.cr> wrote:
> >Thanks for your response, however my understandig of all this
> >programming is very limited. Is there any source where I can read about
> >F calculation for those models?
> >
> >Thanks for your time
> >
> >Ricardo
> >
> >El 14-01-2019 16:47, Jeff Newmiller escribió:
> >
> >> Fortunately, nlme is open source [1 [1]][2 [2]], so you can follow
> >along in as much detail as you like.
> >>
> >> Note that capitalization matters in R... NLME is not correct.
> >>
> >> [1]  https://github.com/cran/nlme/blob/master/R/lme.R
> >> [2] https://cran.r-project.org/package=nlme
> >>
> >> On January 14, 2019 1:59:29 PM PST, RICARDO ALVARADO BARRANTES
> ><RICARDO.ALVARADO using ucr.ac.cr> wrote:
> >>
> >>> I have a question related to the funcion LME in the library NLME.  I
> >>> would like to understand how the F values are calculated, since the
> >>> output only shows the degrees of freedom but doen't show the sums of
> >>> squares involved in those calculations.
> >>>
> >>> Thanks for your attention.
> >>>
> >>> Ricardo
> >>>
> >>> [[alternative HTML version deleted]]
> >>>
> >>> _______________________________________________
> >>> R-sig-mixed-models using r-project.org mailing list
> >>> https://stat.ethz.ch/mailman/listinfo/r-sig-mixed-models
> >
> >
> >
> >Links:
> >------
> >[1] https://github.com/cran/nlme/blob/master/R/lme.R
> >[2] https://cran.r-project.org/package=nlme
>
> --
> Sent from my phone. Please excuse my brevity.
>
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