statsmodels.genmod.families.links.Logit.inverse_deriv¶

Logit.inverse_deriv(z)[source]¶

Derivative of the inverse of the logit transform

Parameters:¶

zarray_like

z is 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 logit function