Anscombe residuals for the Poisson exponential family distribution
Y : array-like
Endogenous response variable
mu : array-like
Fitted mean response variable
resid_anscombe : array
The Anscome residuals for the Poisson family defined below
Notes
resid_anscombe = (3/2.)*(Y^{2/3.} - \mu**(2/3.))/\mu^{1/6.}
statsmodels.genmod.families.family.Poisson.predict
statsmodels.genmod.families.family.Poisson.resid_dev
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