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

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

2.Oversampling

2.1SMOTE(Synthetic Minority Oversampling Technique)

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

工具

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