[R] How to compare GLM and GAM models

[Ben Bolker]

Yuanchang xie <xieyc <at> hotmail.com> writes:

> 
> Dear Listers,
> 
> I want to compare two negative binomial models fitted using glm.nb and 
> gam(mgcv) based on the same data. What would be the most appropriate 
> criteria to compare these two models? Can someone point me to some 
> references? Thank you very much.
> 
> Yuanchang Xie
> 

  Since they can't possibly be nested I would suggest AIC.

  Ben Bolker