statsmodels.genmod.families.links.Link.inverse_deriv
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Link.inverse_deriv(z)
[source] -
Derivative of the inverse link function g^(-1)(z).
Parameters: z : array-like
z
is usually the linear predictor for a GLM or GEE model.Returns: The value of the derivative of the inverse of the link function :
Notes
This reference implementation gives the correct result but it inefficient, so it can be overriden in subclasses.
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