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