A case study is carried out to illustrate the validity of superior combination forecasting and the time-variant character of weight coefficient.
因此,采用以有效度最大为准则的优性组合预测,并通过具体工程实例分析,说明优性组合预测的有效性及加权系数的时变特性。
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New concepts are proposed for the combination forecasting effective measure models: superior combination forecasting, dominant forecasting method and redundant measure.
针对基于预测有效度的组合预测模型提出了新的优性组合预测、预测方法优超和冗余度的概念；
Based on the concept of superior combination forecasting method and on the concept of redundant method, several problems about combined prediction of non-negative weight are studied in this peper.
本文在优性组合预测方法存在判定理论的基础上，提出了求解非负权重最优组合预测问题的迭代算法。
The result shows that the effect of combination forecasting model is superior to that of single prediction model.
结果表明，该法预测模型效果优于单一预测模型。
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