Cross-Validation for Imbalanced Datasets: Avoiding Overoptimistic and Overfitting Approaches [Research Frontier] 论文

2018IEEE Computational Intelligence Magazine引用 400
Imbalanced Data Classification TechniquesAdvanced Statistical Process MonitoringMachine Learning and Data Classification

详细信息

发表期刊/会议
IEEE Computational Intelligence Magazine
发表日期
2018-10-15
发表年份
2018

关键词

Imbalanced Data Classification TechniquesAdvanced Statistical Process MonitoringMachine Learning and Data Classification

摘要

Although cross-validation is a standard procedure for performance evaluation, its joint application with oversampling remains an open question for researchers farther from the imbalanced data topic. A frequent experimental flaw is the application of oversampling algorithms to the entire dataset, resulting in biased models and overly-optimistic estimates.