[R-sig-ME] AIC comparisons between lmer and glm
pogola at Princeton.EDU
Sat Aug 1 03:22:31 CEST 2009
I will let the more knowledgeable folks get back address the issues
regarding specification of your model structure; but try to give you
my thoughts on comparison of AIC or other information criteria for
1. Yes, the best model is the one with the smallest AIC value; and it
is also advisable to check the p values generated when you run the
2. I don't think you can compare AIC values obtained from lmer and
glm; and so the short answer to your question is no.
On Jul 29, 2009, at 12:11 PM, cacabelos at uvigo.es wrote:
> Hi R-users,
> I was unfortunately not able to find a solution to my problem about
> model selection. I have fixed (e.g. Height) and random (e.g.Time)
> factors, and I created these kind of model structures:
> I am using the criterion ?the best model is the one that has the
> lowest AIC?, but are these AIC from different procedures (i.e. glm
> and lmer) comparable?
> I wonder if anyone can help me... Thank you!
> R-sig-mixed-models at r-project.org mailing list
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