[Rd] Why no BIC.default function?

Douglas Bates
Mon, 18 Apr 2005 20:43:18 -0000

kwright@eskimo.com wrote:
> I'm using R 2.0.1.
>
> I looked in the email archives but didn't see anything on this topic.
>
> I've noticed a surprising (to me) difference between AIC and BIC:
>
>
>>methods("AIC")
>
> [1] AIC.default* AIC.logLik*
>
>
>>methods("BIC")
>
> [1] BIC.gls*    BIC.lm*     BIC.lme*    BIC.lmList* BIC.logLik* BIC.nls*
>
> The BIC.gls BIC.lm BIC.lme BIC.lmList and BIC.nls functions appear to have
> exactly the same definition.  (I didn't check with 'diff'
though.)
>
> Would it make sense to treat BIC similarly to AIC and have just
> BIC.default and BIC.logLik?

Yes.  We will do so.