The weighted average combination model can obtain the best combination model form to promote the forecast precision.
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。
In this paper, the theory and method of fuzzy time series analysis are presented, the model form and the parameters estimate problem are studied.
本文提出了模糊时间序列分析的理论和方法，研究了模型形式及其参数估计问题。
Calculation of empirical frequency and selection of frequency distribution model form two most important segments in the formula of urban stormy statistics.
城市暴雨公式统计中最重要的两个环节就是经验频率的计算和频率分布模型的选择。
Calculation of empirical frequency and selection of frequency distribution model form two most important segments in the formula of urban stormy statistics.
城市暴雨公式统计中最重要的两个环节就是经验频率的计算和频率分布模型的选择。
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