statsmodels.discrete.count_model.ZeroInflatedNegativeBinomialP.hessian¶
method
-
ZeroInflatedNegativeBinomialP.hessian(params)¶ Generic Zero Inflated model Hessian matrix of the loglikelihood
- Parameters
- paramsarray-like
The parameters of the model
- Returns
- hessndarray, (k_vars, k_vars)
The Hessian, second derivative of loglikelihood function, evaluated at params