statsmodels.discrete.truncated_model.HurdleCountModel.hessian¶ HurdleCountModel.hessian(params)¶ The Hessian matrix of the model. Parameters:¶ paramsndarrayThe parameters to use when evaluating the Hessian. Returns:¶ ndarrayThe hessian evaluated at the parameters. 最終更新日: 2025年01月28日