statsmodels.genmod.families.family.Binomial.initialize¶

Binomial.initialize(endog, freq_weights)[source]¶

Initialize the response variable.

Parameters:¶

endogndarray

Endogenous response variable

freq_weightsndarray

1d array of frequency weights

Returns:¶

If endog is binary, returns endog

If endog is a 2d array, then the input is assumed to be in the format

(successes, failures) and

successes/(success + failures) is returned. And n is set to

successes + failures.