Logo

statsmodels.genmod.families.family.InverseGaussian.deviance

InverseGaussian.deviance(Y, mu, scale=1.0)[source]

Inverse Gaussian deviance function

Parameters :

Y : array-like

Endogenous response variable

mu : array-like

Fitted mean response variable

scale : float, optional

An optional scale argument

Returns :

deviance : float

Deviance function as defined below

Notes

deviance = sum((Y=mu)**2/(Y*mu**2))

Previous topic

statsmodels.genmod.families.family.InverseGaussian

Next topic

statsmodels.genmod.families.family.InverseGaussian.fitted

This Page