statsmodels.genmod.families.links.LogLog.inverse_deriv2

LogLog.inverse_deriv2(z)

Second derivative of the inverse of the Log-Log transform link function

Parameters:

z (array_like) – The value of the inverse of the LogLog link function at p

Returns:

g^(-1)’’(z) – The second derivative of the inverse of the LogLog link function

Return type:

ndarray