摘要
用推广的最小二乘法及极大似然估计法对双重线性模型AR(1) -MA(0 )中的参数进行估计 ,从而提高模型的拟合度和预测精度 .
In the paper,least squares method is used to estimat the parameter about reduplication linear model.There by the liken and the forecasting precision of the model is enhance.
基金
湖南省教委自然科学基金资助项目!(99C188)