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| 稳健皮尔逊相关系数× | Kendall Tau 秩相关× | |
|---|---|---|
| 领域 | 统计学 | 统计学 |
| 方法族 | Hypothesis test | Hypothesis test |
| 起源年份≠ | 1970s–1990s | 1938 |
| 提出者≠ | Rand R. Wilcox and predecessors in robust statistics | Maurice G. Kendall |
| 类型≠ | Robust bivariate association measure | Rank-based association measure |
| 开创性文献≠ | Wilcox, R. R. (2012). Introduction to Robust Estimation and Hypothesis Testing (3rd ed.). Academic Press. ISBN: 978-0123869838 | Kendall, M. G. (1938). A new measure of rank correlation. Biometrika, 30(1–2), 81–93. DOI ↗ |
| 别名 | winsorized correlation, percentage bend correlation, robust r, outlier-resistant correlation | Kendall's tau, Kendall tau-b, tau correlation, Kendall Tau Korelasyonu |
| 相关≠ | 3 | 4 |
| 摘要≠ | The robust Pearson correlation is an outlier-resistant measure of linear association between two continuous variables. By applying Winsorizing, trimming, or percentage-bend transformations before computing the classic Pearson r, it retains the interpretability of a correlation coefficient while dramatically reducing the distortion caused by extreme values. | Kendall Tau is a nonparametric rank correlation coefficient introduced by Maurice G. Kendall in 1938 to measure the strength and direction of a monotone association between two ordinal or continuous variables. It is particularly suited to small samples and datasets containing many tied ranks, where the Spearman coefficient can be less stable. |
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