英语翻译指数平滑法模型的建立主要取决于历史数据的各次平滑值,而平滑值的变化制约于平滑系数A的大小,因此平滑系数A的取值很

Exponential smoothing model depends mainly on the historical data value, and every smooth smooth the change of the value which restrict the size of A sliding coefficient, so smooth coefficient values of A largely determine the forecast accuracy. A method to determine the estimate method usually experience or worthy. Choose A need to determine with worthy goal function, and in the past work at targeting people of different time when A function of the model error treated equally. But in fact in recent years than data error in data error for the future is the prediction accuracy of more influence on choice, so when the prediction error to A way of using alike were not suitable. In this article, the thick BoYuan principles nearly target function, through the test method is used to study the thick nearly BoYuan principles objective function optimization A the forecast results the impact of the thick, intuitive proof nearly BoYuan principle, the superiority of A selection of thick the extent of the BoYuan near the further discussion.
大概是这样的吧,希望能帮到你,(*^__^*) 嘻嘻……