一种组合预测模型及预测值的模糊分级

A combination forecast model and fuzzy classification of forecast value

基于多元线性回归模型及ＧＭ（１，ｎ）模型，给出了一种组合预测模型，进行了组合预测的精度分析及预测值的等级分类，并讨论了其在实际问题中的应用．

A combination forecast model is given on the basis of multiple fuzzy regression model and GM(1,n) model. Accuracy of the combination forecast model is analyzed and forecast value is classified. A practical example is shown.