[R-sig-eco] negative AIC and BIC

[Jarrett Byrnes]

Yes, it's OK.  Do not take absolute values.

-Jarrett

On Nov 29, 2010, at 8:55 PM, Li Wen wrote:

> Dear List members,
> 
> I am trying to fit mixed models with lmer4. Sometimes I got negative AIC. Is this normal? If so, when comparing models, should I use the absolute value of AIC or just the smallest AIC?
> 
> Thanks,
> Li
> 
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