• 其中加权算术平均组合预测模型获得最佳模型组合形式,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.

    youdao

  • P误差概念出发,提出广义加权算术平均组合预测新的预测方法优超冗余度的定义

    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.

    youdao

  • 通过我国关税率算术平均值加权平均值的比较,对关税政策合理性进行了测度衡量

    This paper studies the tariff of arithmetic mean and weighted mean of China tariff rate, surveys and measures the rationality about tariff policy.

    youdao

  • 本文把有限个数的调和、几何、算术加权平均值不等式推广到无穷多个数的形式和广义积分的形式。

    In this paper, we prove the infinite weighted mean inequalities. Furthermore, some results are established in infinite integral case.

    youdao

  • 利用算术加权平均数UPGMA)对香果树进行聚类,结果9个居群可分成浙江省内省外大类群。

    Using unweighted pair group method with arithmetic average (UPGMA), 9 populations of Emmenopterys henryi were clustered into two groups, inner-province group and outer-province group.

    youdao

  • 利用算术加权平均数UPGMA)对香果树进行聚类,结果9个居群可分成浙江省内省外大类群。

    Using unweighted pair group method with arithmetic average (UPGMA), 9 populations of Emmenopterys henryi were clustered into two groups, inner-province group and outer-province group.

    youdao

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