statsmodels.genmod.families.links.Power¶

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

The power transform

Parameters:¶

powerfloat

The exponent of the power transform

Notes

Aliases of Power: Inverse = Power(power=-1) Sqrt = Power(power=.5) InverseSquared = Power(power=-2.) Identity = Power(power=1.)

Methods

__call__(p)

Power transform link function

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
inverse_deriv2(z)	Second derivative of the inverse of the power transform