PeerJ Author 0 Points I Nyoman Mahayasa Adiputra PeerJ Author Summary Data Mining & Machine Learning Data Science Past or current institution affiliations Khon Kaen University PeerJ Contributions Articles 1 June 19, 2025 Optimized customer churn prediction using tabular generative adversarial network (GAN)-based hybrid sampling method and cost-sensitive learning I Nyoman Mahayasa Adiputra, Paweena Wanchai, Pei-Chun Lin https://doi.org/10.7717/peerj-cs.2949