其中加权算术平均组合预测模型能获得最佳的模型组合形式，从而能够有效地提高预测精度。
The weighted average combination model can obtain the best combination model form to promote the forecast precision.
从P次幂误差的概念出发，提出了广义加权算术平均组合预测法新的预测方法优超和冗余度的定义。
New dominant forecasting method and redundant measure are defined for combination forecasting method with generalized weight arithmetic average, based on error of power of p.
通过对我国关税率的算术平均值和加权平均值的比较，对关税政策的合理性进行了测度与衡量。
This paper studies the tariff of arithmetic mean and weighted mean of China tariff rate, surveys and measures the rationality about tariff policy.
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