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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 power transform
inverse(z) Inverse of the power transform link function
inverse_deriv(z) Derivative of the inverse of the power transform

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