This post is reproduced from a post of my Japanese blog. A friend of mine, an academic researcher in machine learning field tweeted as below. imbalanced data に対する対処を勉強していたのだけど,[Wallace et al. ICDM'11] https://t.co/ltQ942lKPm … で「undersampling + bagging をせよ」という結論が出ていた.— ™ (@tmaehara) July 29, 2017 I've studied how to handle imbalanced data, but I found Wallace et al. ICDM'11 concluded that you shou