The combination forecasting method gives bigger weight to the models, which better conform with the variation of power load, and improves the precision. The sample calculation shows the truth.
采用组合预测法对能很好反映负荷变化规律的模型赋予较大的权重，从而提高负荷预测精度，示例计算表明组合预测法的预测精度明显高于各单一模型的预测精度。
At last the method of combination forecasting based on function of fresh degree is applied and the precision of prediction is further improved.
最后利用基于新鲜度函数的变权重组合预测方法对预测结果进行组合预测，进一步提高了预测精度。
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；
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