genmod.families.links.Power()

statsmodels.genmod.families.links.Power

class statsmodels.genmod.families.links.Power(power=1.0) [source]

The power transform

Parameters:	power : float The exponent of the power transform

Notes

Aliases of Power: inverse = Power(power=-1) sqrt = Power(power=.5) inverse_squared = Power(power=-2.) identity = Power(power=1.)

Methods

deriv(p)	Derivative of the power transform
deriv2(p)	Second derivative of the link function g??(p)
inverse(z)	Inverse of the power transform link function
inverse_deriv(z)	Derivative of the inverse of the power transform