[R-sig-ME] Coefficient of determination (R^2) when using lme()

vito muggeo vmuggeo at dssm.unipa.it
Tue Apr 1 13:54:47 CEST 2008

Dear R.S. Cotter,
I think that interpretation of R2 is not straightforward and it is area 
of research.. Have a look to

Xu. Measuring explained variation in linear mixed effects models 
Statist. Med. 2003; 22:3527–3541 (DOI: 10.1002/sim.1572)

Orelien, J.G., Edwards, L.J., Fixed-effect variable selection in linear 
mixed models using R2 statistics Comput. Statist.
Data Anal. (2007), doi: 10.1016/j.csda.2007.06.006

Hope this helps you,


R.S. Cotter ha scritto:
> Dear mixed models users,
> I have recently started using R, and I have learned to use lme ().
> Is it possible to interpret coefficient of determination (R^2) when
> using lme ()?
> Best Regards
> R.S. Cotter
> _______________________________________________
> R-sig-mixed-models at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-sig-mixed-models

Vito M.R. Muggeo
Dip.to Sc Statist e Matem `Vianelli'
Università di Palermo
viale delle Scienze, edificio 13
90128 Palermo - ITALY
tel: 091 6626240
fax: 091 485726/485612

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