[R] aic calculation

[Roger D. Peng]

It doesn't, as far as I know.  The function AIC.logLik is defined as

 > AIC.logLik
function (object, ..., k = 2)
-2 * c(object) + k * attr(object, "df")
<environment: namespace:base>

-roger

Stephen Dicey wrote:
> hello,
> could somebody refer me to the reason R uses
> 
> -2*loglik + 2*(#param)+2
> 
> to calculate AIC?
> thank you
> 
> --
> Stoyan Iliev
> 
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