[R] AIC for model selection in Package �MuMIn�

Ben Bolker bbolker at gmail.com
Mon Aug 16 15:21:33 CEST 2010


elaine kuo <elaine.kuo.tw <at> gmail.com> writes:

[re: MuMIn package]

> However, the criteria in this package for model selection are AICc
> (second-order AIC) and QAIC (quasi-AIC).
> Please kindly share if it is possible to carry AIC rather than the metrics
> above using this package.
> Thank you.

  I think you're misunderstanding the documentation.  The reason
that AICc and QAIC are explicitly included in the package, and the
package documentation, is that (unlike AIC and BIC) they are *not*
implemented in base R.  If you simply use dredge(...,rank="AIC")
that should work.

  good luck.



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