statsmodels.discrete.count_model.ZeroInflatedNegativeBinomialP.hessian¶

ZeroInflatedNegativeBinomialP.hessian(params)¶

Generic Zero Inflated model Hessian matrix of the loglikelihood

Parameters:¶

params : array_like¶

The parameters of the model

Returns:¶

hess – The Hessian, second derivative of loglikelihood function, evaluated at params

Return type:¶

ndarray, (k_vars, k_vars)

Notes