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---
-title: "Discrimination Metrics"
-type: concept
-tags: [ml-ops, evaluation, classification]
-sources: [specialized-model-qa]
-last_updated: 2026-04-20
---
-
-## Definition
-歧视度量指标用于衡量模型区分正负样本的能力。
-
-## Common Metrics
- AUC
- Gini coefficient
- KS statistic
- F1 / precision / recall（按任务需要）
-
-## Use in Model QA
- 判断模型是否具备可接受的区分能力
- 监控不同数据切分上的性能一致性
- 与校准测试一起评估整体质量
-
-## Related Concepts
- [[Calibration Testing]]
- [[Model Audit]]