SAS软件的应用——基于ARMA模型的商品销售额的预测分析

Application of SAS———Forecast of Sale of Commodity Using ARMA Model

文章运用SAS软件系统中的一些时间序列建模方法及回归分析方法对某商品的月销售额作了预测分析,得到了较高的预测精度,在实际应用中预测值的准确对于指导商家的战略决策起着重要作用。

By some time series methods and regression analysis method in SAS system, we do some prediction and analysis of the monthly sale of a commodity. It is shown that the accuracy of prediction is fairly good, which appears a useful method for the decision making for merchants.