非均衡样本学习（Learning from Imbalanced Data）

非均衡样本学习（Learning from Imbalanced Data）

1.Undersampling

1.1Informed Undersampling

2.Oversampling

2.1SMOTE(Synthetic Minority Oversampling Technique)

工具

http://imbalanced-learn.org/en/stable/index.html