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

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

Methods

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