MCDMClassification Metric
Youdens J Statistic
Youdens J statistic, also called the Youden index, measures the maximum difference between the true positive rate and false positive rate across different classification thresholds. It is useful for selecting optimal cutoff points in diagnostic testing.
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Sources
- Youden, W. J. (1950). Index for rating diagnostic tests. Cancer, 3(1), 32-35. DOI: 10.1002/1097-0142(195001)3:1<32::AID-CNCR2820030106>3.0.CO;2-3 ↗
- Perkins, N. J., & Schisterman, E. F. (2006). The inconsistency of optimal cutpoints obtained using two criteria based on the receiver operating characteristic curve. American Journal of Epidemiology, 163(7), 670-675. DOI: 10.1093/aje/kwj063 ↗