[R-sig-ME] calculate degree of freedom lmer

[Søren Højsgaard]

Seasons greetings!

As mentioned on http://glmm.wikidot.com/faq, pbkrtest provides an implementation of a Kenward-Roger approximation for calculating degrees of freedom (the function KRmodcomp()). What is not mentioned is that pbkrtest also implements a parametric bootstrap approach for testing two nested models (the function PBmodcomp()).

Regards
Søren 




________________________________________
Fra: r-sig-mixed-models-bounces at r-project.org [r-sig-mixed-models-bounces at r-project.org] På vegne af Dennis Murphy [djmuser at gmail.com]
Sendt: 26. december 2011 10:21
Til: Arunkumar Pillai
Cc: r-sig-mixed-models at r-project.org
Emne: Re: [R-sig-ME] calculate degree of freedom lmer

Hi:

Start here:

http://glmm.wikidot.com/faq

and read the link to the R-help post by Prof. Bates cited in the section titled
Why doesn't lme4 provide p values/denominator degrees of freedom?

HTH,
Dennis

On Sun, Dec 25, 2011 at 10:15 PM, Arunkumar Pillai <akpbond007 at gmail.com> wrote:
> Hi
> how to calculate degree from lmer object
>
> Please can any one help
>
>        [[alternative HTML version deleted]]
>
> _______________________________________________
> R-sig-mixed-models at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-sig-mixed-models

_______________________________________________
R-sig-mixed-models at r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-sig-mixed-models