statsmodels.genmod.families.links.NegativeBinomial.inverse¶

NegativeBinomial.inverse(z)[source]¶

Inverse of the negative binomial transform

Parameters:

z : array-like

The value of the inverse of the negative binomial link at p.

Returns:

p : array

Mean parameters

Notes

g^(-1)(z) = exp(z)/(alpha*(1-exp(z)))