statsmodels.genmod.families.links.LogC.deriv2¶ LogC.deriv2(p)[source]¶ Second derivative of the log-complement transform link function Parameters:¶ p : array_like¶Mean parameters Returns:¶ g’’(p) – Second derivative of log-complement transform of x Return type:¶ ndarray Notes g’’(x) = -(-1/(1 - x))^2