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Application of Nonparametric Weighted Kernel Density Estimation in Flood Frequency Analysis
Author(s): 
Pages: 36-39,10
Year: Issue:  5
Journal: JOURNAL OF CHINA HYDROLOGY

Keyword:  加权核密度估计洪水频率分析统计试验;
Abstract: 本文引进加权核密度估计方法,研究洪水频率的分析计算;运用统计试验方法,同目前广泛认同的参数估计方法中线性矩法相比,结果表明:线性矩法及加权核密度估计法推求出的设计值的无偏性相当,但加权核密度估计方法的有效性较线性矩法好.最后还与普通的非参数密度函数估计方法对比,结果表明加权核密度估计方法推求出的设计值的无偏性及有效性都较好;尤其是有效性精度较高.因此,加权核密度估计是一种有应用和研究价值的方法.
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