statsmodels.genmod.families.links.NegativeBinomial.inverse

NegativeBinomial.inverse(z)

Inverse of the negative binomial transform

Parameters:

z (array_like) – The value of the inverse of the negative binomial link at p.

Returns:

p – Mean parameters

Return type:

ndarray

Notes

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