statsmodels.genmod.families.family.NegativeBinomial.resid_dev
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NegativeBinomial.resid_dev(endog, mu, scale=1.0)
[source] -
Negative Binomial Deviance Residual
Parameters: endog : array-like
endog
is the response variablemu : array-like
mu
is the fitted value of the modelscale : float, optional
An optional argument to divide the residuals by scale
Returns: resid_dev : array
The array of deviance residuals
Notes
resid_dev
= sign(endog-mu) * sqrt(piecewise)where piecewise is defined as
If :
If :
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