statsmodels.genmod.families.links.LogC.inverse_deriv2¶

LogC.inverse_deriv2(z)[source]¶

Second derivative of the inverse link function g^(-1)(z).

Parameters:¶

z : array_like¶

The inverse of the link function at p

Returns:¶

g^(-1)’’(z) – The value of the second derivative of the inverse of the log-complement function.

Return type:¶

ndarray