statsmodels.genmod.families.links.Power.deriv2¶

Power.deriv2(p)[source]¶

Second derivative of the power transform

Parameters:¶

parray_like

Mean parameters

Returns:¶

g’’(p)ndarray

Second derivative of the power transform of p

Notes

g’’(p) = power * (power - 1) * p`**(`power - 2)