statsmodels.genmod.families.links.inverse_squared.inverse_deriv¶
method
- 
inverse_squared.inverse_deriv(z)¶ 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)array
 The value of the derivative of the inverse of the power transform
- function
 
