scikits.statsmodels.family.family.Binomial.deviance

Binomial.deviance(Y, mu, scale=1.0)

Deviance function for either Bernoulli or Binomial data.

Parameters:

Y : array-like

Endogenous response variable (already transformed to a probability if appropriate).

mu : array

Fitted mean response variable

scale : float, optional

An optional scale argument

Returns:

deviance : float

The deviance function as defined below

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