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| 肯德尔τ秩相关× | ROC分析（受试者工作特征）× | |
|---|---|---|
| 领域 | 统计学 | 统计学 |
| 方法族 | Hypothesis test | Hypothesis test |
| 起源年份≠ | 1938 | 1954 (signal detection); 1982 (AUC formalization) |
| 提出者≠ | Maurice G. Kendall | Peterson, Birdsall & Fox (signal detection theory); Hanley & McNeil (medical statistics) |
| 类型≠ | Nonparametric rank correlation | Diagnostic accuracy evaluation |
| 开创性文献≠ | Kendall, M. G. (1938). A new measure of rank correlation. Biometrika, 30(1/2), 81–93. DOI ↗ | Hanley, J. A., & McNeil, B. J. (1982). The meaning and use of the area under a receiver operating characteristic (ROC) curve. Radiology, 143(1), 29–36. DOI ↗ |
| 别名 | Kendall tau, Kendall rank correlation, tau-b, tau-c | ROC curve analysis, AUC analysis, sensitivity-specificity analysis, diagnostic accuracy analysis |
| 相关 | 4 | 4 |
| 摘要≠ | Kendall's tau is a nonparametric measure of the ordinal association between two variables. It quantifies how consistently the relative ordering of one variable matches the ordering of another across all observation pairs, making it robust to outliers and suitable for ordinal or non-normally distributed data. | ROC analysis evaluates how well a continuous or ordinal test variable discriminates between two binary outcome classes. By plotting the true positive rate (sensitivity) against the false positive rate (1 − specificity) across all decision thresholds, it produces a curve whose area under the curve (AUC) quantifies overall discriminative power, ranging from 0.5 (chance) to 1.0 (perfect discrimination). |
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