标签：处理 over random curve sampling 均衡 under 类别
- resampling
- over sampling
- random over sampling
- generate synthetic examples: SMOTE(synthetic minority oversampling technique) by a neareast neighbors approach
- under sampling
- random under sampling
- Tomek links
- model-level methods
- use class-banlaned loss（类别不平衡损失函数.pdf）
- select appropriate algorithms
- tree-based models
- Logistic regression: adjust the probability threshold
- combine multiple algorithms
- under-sampling + ensemble
- under-sampling + class-banlaned loss
- evaluation metrics
- Precision, recall, F1
- Precision-Recall curve
- AUC of the ROC curve
标签：处理,
over,
random,
curve,
sampling,
均衡,
under,
类别
From： https://www.cnblogs.com/owlowl/p/18604473