statsmodels.genmod.families.links.NegativeBinomial.inverse_deriv

NegativeBinomial.inverse_deriv(z)[source]

Derivative of the inverse of the negative binomial transform

Parameters:
zarray_like

Usually the linear predictor for a GLM or GEE model

Returns:
g^(-1)’(z)ndarray

The value of the derivative of the inverse of the negative binomial link


Last update: Jul 16, 2024