[R-sig-ME] AIC comparisons between lmer and glm

cacabelos at uvigo.es cacabelos at uvigo.es
Wed Jul 29 18:11:04 CEST 2009

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!

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