statsmodels.genmod.families.links.Probit.deriv¶

Probit.deriv(p)¶

Derivative of CDF link

Parameters:¶

p : array_like¶

mean parameters

Returns:¶

g’(p) – The derivative of CDF transform at p

Return type:¶

ndarray

Notes

g’(p) = 1./ dbn.pdf(dbn.ppf(p))