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statsmodels 0.13.5 statsmodels.genmod.families.links.inverse_squared.deriv2
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    • statsmodels.genmod.families.links.inverse_squared.deriv2
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    statsmodels.genmod.families.links.inverse_squared.deriv2¶

    inverse_squared.deriv2(p)¶

    Second derivative of the power transform

    Parameters:
    parray_like

    Mean parameters

    Returns:
    g’’(p)ndarray

    Second derivative of the power transform of p

    Notes

    g’’(p) = power * (power - 1) * p`**(`power - 2)

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