statsmodels.genmod.families.links.InversePower.deriv2

InversePower.deriv2(p)

Second derivative of the power transform

Parameters:
p : array_like

Mean parameters

Returns:

g’’(p) – Second derivative of the power transform of p

Return type:

ndarray

Notes

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