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M-K非参数检验以及M-K突变检验

于 2022-01-26 发布 文件大小:2.21 kB
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应用背景M-K非参数检验以及M-K突变检验已被广泛的用于水文气象时间序列的趋势变化分析,其优势在于不需要样本遵循一定的分布,也不受少数异常值的干扰假设原序列 H0无趋势,如果1 −α /21−α/2− Z ≤Z≤Z,接受原假设 H 0;如果1 −α/2Z ≥ Z或1 −α/2Z ≤ −Z时,拒绝原假设0 H ,即该序列变化趋势显著。 Z >0时表示序列呈上升趋势, Z

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