7.18.1.3.1. statsmodels.tools.eval_measures.aic¶

statsmodels.tools.eval_measures.aic(llf, nobs, df_modelwc)[source]¶

Akaike information criterion

Parameters:

llf : float

value of the loglikelihood

nobs : int

number of observations

df_modelwc : int

number of parameters including constant

Returns:

aic : float

information criterion

References