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) inverse_squared = Power(power=-2.) identity = Power(power=1.)

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