GLM.hessian(params, scale=None, observed=None)
[source]
Hessian, second derivative of loglikelihood function
Parameters: |
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Returns: |
hessian – Hessian, i.e. observed information, or expected information matrix. |
Return type: |
ndarray |
© 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.generalized_linear_model.GLM.hessian.html