statsmodels.tsa.holtwinters.ExponentialSmoothing.hessian¶ ExponentialSmoothing.hessian(params)¶ The Hessian matrix of the model. Parameters:¶ paramsndarrayThe parameters to use when evaluating the Hessian. Returns:¶ ndarrayThe hessian evaluated at the parameters. Last update: Dec 14, 2023