statsmodels.genmod.families.family.Gamma.resid_anscombe¶
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Gamma.
resid_anscombe
(endog, mu)[source]¶ The Anscombe residuals for Gamma exponential family distribution
Parameters: endog : array
Endogenous response variable
mu : array
Fitted mean response variable
Returns: resid_anscombe : array
The Anscombe residuals for the Gamma family defined below
Notes
resid_anscombe = 3*(endog**(1/3.)-mu**(1/3.))/mu**(1/3.)