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)