statsmodels.genmod.families.links.Power.inverse_deriv¶
-
Power.
inverse_deriv
(z)[source]¶ Derivative of the inverse of the power 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 power transform
function
- g^(-1)’(z)