It's not that r squared isn't meaningful for generalized least squares but
rather that it cannot be compared directly with values from OLS models.
Cheers,
Ted
From: R-sig-phylo [r-sig-phylo-boun...@r-project.org] on behalf of Sergio
Ferreira Cardoso [sff.card...@campus.fct.unl.pt]
Sent: Monday, July 20, 2015 4:11 AM
To: R phylo mailing list mailing list
Subject: [R-sig-phylo] R-squared alternative for gls
Hello members,
I'm creating relative values os semicircular canal size by fitting a PGLS
and extracting residuals (using phyl.resid). I've heard that R-squared
isn't meaningful in gls models. What I'm trying to do is to know is which
of the two independent variables is best and on a lm () model I would just
check the R-squared. Is the alternative, in the case of gls(), looking at
the AIC or logLik?
Thanks in advance.
Best regards,
Sérgio.
--
Com os melhores cumprimentos,
Sérgio Ferreira Cardoso.
--------------------
Best regards,
Sérgio Ferreira Cardoso
MSc. Paleontology candidate
Departamento de Ciências da Terra - FCT /Universidade Nova de Lisboa
Geociências - Universidade de Évora
Lisboa, Portugal
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