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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]]