V2EX wilcoxon

Wilcoxon

释义 Definition

“Wilcoxon”通常指威尔科克森(Frank Wilcoxon)及以他命名的一类非参数检验方法,最常见的是Wilcoxon符号秩检验(用于配对/重复测量)和Wilcoxon秩和检验(常与MannWhitney U检验并列,用于两独立样本)。这类方法主要基于秩(rank)而非正态分布假设。

例句 Examples

We used the Wilcoxon test because the data were not normally distributed.
因为数据不服从正态分布,我们使用了威尔科克森检验。

After the intervention, a Wilcoxon signed-rank test showed a significant median improvement in scores across participants.
干预后,威尔科克森符号秩检验显示参与者的分数中位数有显著提升。

发音 Pronunciation (IPA)

/wlkksn/; /wlkksn/

词源 Etymology

该词来自统计学家Frank Wilcoxon的姓氏。1945年他发表论文提出了基于“秩”的检验思想,因其不依赖特定分布(distribution-free)且适用于小样本、偏态数据等情境,后来被广泛使用并以其姓氏命名。

相关词 Related Words

文学与著作 Literary Works

  • Frank Wilcoxon (1945), Individual Comparisons by Ranking Methods(提出并奠定Wilcoxon检验体系的经典论文)
  • W. J. Conover, Practical Nonparametric Statistics(非参数统计经典教材,系统讨论Wilcoxon相关检验)
  • Myles Hollander, Douglas A. Wolfe, Eric Chicken, Nonparametric Statistical Methods(权威教材,常用Wilcoxon检验作为核心内容之一)
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