Gamma deviance residuals
endog : array-like
Endogenous response variable
mu : array-like
Fitted mean response variable
scale : float, optional
An optional argument to divide the residuals by scale. The default is 1.
resid_dev : array
Deviance residuals as defined below
Notes
resid\_dev_i = sign(Y_i - \mu_i) \sqrt{-2 * (-(Y_i - \mu_i) / \mu_i + \log(Y_i / \mu_i))}
statsmodels.genmod.families.family.Gamma.resid_anscombe
statsmodels.genmod.families.family.Gamma.starting_mu
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