研究了在回归分析中可加模型的方差齐性检验问题,得到了方差齐性检验的Score统计量,并利用随机模拟,说明了检验方法的有效性。
The heteroscedasticity test problem of additive models in the regression analysis was studied.And Score statistic of homogeneity test was obtained.The validity of the test method was explained by using stochastic simulation.