statsmodels.genmod.families.family.Poisson.resid_dev
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Poisson.resid_dev(endog, mu, scale=1.0)
[source] -
Poisson deviance residual
Parameters: 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
Returns: resid_dev : array
Deviance residuals as defined below
Notes
resid_dev = sign(endog-mu)*sqrt(2*endog*log(endog/mu)-2*(endog-mu))
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