From the result of simulation and empirical study, the improved method and the new robust estimator are good for resisting outliers and decrease their influence greatly.

• 从模拟和实证的结果来看，改进后的的方法和新的稳健估计量确实能够对离群值起到很好的抵抗作用，大幅度地降低它们对计算结果的影响。