分类问题样本不均衡问题

1. 欠采样

  • 随机欠采样
  • EasyEnsemble
  • BalanceCascade

Exploratory Undersampling forClass-Imbalance Learning

2. 过采样

  • 随机过采样
  • SMOTE
  • Borderline-SMOTE

SMOTE: Synthetic Minority Over-sampling Technique
Borderline-SMOTE: A New Over-Sampling Method in Imbalanced Data Sets Learning

3. cost-sensitive learning

  • Adacost

4.评价方式

  • F1-score
  • G-Mean
  • roc_auc_score
posted @ 2020-04-16 10:23  hou永胜  阅读(331)  评论(0)  编辑  收藏  举报