Re: st: formula of aic in stata

[Nicola Orsini <nicola.orsini@ki.se>]

See Stata 9 manual [R] -estat- pp.328-335

AIC = -2*ln(L)+2*p

where ln(L) is the log-likelihood of the model and p is the number of 
parameters.

Reference

Akaike, H. Information theory and an extension of the maximum likelihood
   principle. In B.N.Petrov and F.Csaki (eds), Second International
   Symposium on Information Theory, Academiai Kiado, Budapest, 267--281
   (1973).

Nicola

I.A.C. van de Snepscheut wrote:

> Hello
>
> Does anyone know what the formula of the aic in stata 9 is?
>
> Inez
> *
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