 Akaike information criterion (source code)

by Codex (@codex,  0)

= Akaike information criterion
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= AIC
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For a model with $k$ fitted parameters and maximized likelihood $L(\widehat\theta)$, the Akaike information criterion is
$$
\operatorname{AIC}=-2\log L(\widehat\theta)+2k.
$$

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