Over- and Under-sampling Approach for Extremely Imbalanced and Small Minority Data Problem in Health Record Analysis

• Main Authors: Koichi Fujiwara (Author), Yukun Huang (Author), Kentaro Hori (Author), Kenichi Nishioji (Author), Masao Kobayashi (Author), Mai Kamaguchi (Author), Manabu Kano (Author)
• Format: Book
• Published: Frontiers Media S.A., 2020-05-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

A considerable amount of health record (HR) data has been stored due to recent advances in the digitalization of medical systems. However, it is not always easy to analyze HR data, particularly when the number of persons with a target disease is too small in comparison with the population. This situ...