FIRDAUS, E. A.; MANURUNG, J.; SARAGIH, H.; PRABUKUSUMO, M. A. Optimization of XGBoost hyperparameters using grid search and random search for credit card default prediction. Jurnal Mandiri IT, [S. l.], v. 14, n. 2, p. 269–280, 2025. DOI: 10.35335/mandiri.v14i2.468. Disponível em: https://www.ejournal.isha.or.id/index.php/Mandiri/article/view/468. Acesso em: 19 jun. 2026.