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

Power.deriv2(p)[source]¶

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:	array

Notes

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