identity.deriv2()
statsmodels.genmod.families.links.identity.deriv2
-
identity.deriv2(p)
-
Second derivative of the power transform
Parameters: p : array-like
Mean parameters
Returns: g’‘(p) : array
Second derivative of the power transform of
p
Notes
g’‘(
p
) =power
* (power
- 1) *p`**(`power
- 2)
© 2009–2012 Statsmodels Developers
© 2006–2008 Scipy Developers
© 2006 Jonathan E. Taylor
Licensed under the 3-clause BSD License.
http://www.statsmodels.org/stable/generated/statsmodels.genmod.families.links.identity.deriv2.html