AIC (Akaike's information criterion)
Criterion, introduced by
Akaike
in 1969, for choosing between competing statistical
models
. For
categorical
data this amounts to choosing the model that minimizes G
2
− 2 ν, where
G
2
is the
likelihood-ratio goodness-of-fit statistic
and ν is the number of
degrees of freedom
associated with the ...