Gymnastiar, M.F., Shiddieq, D.F. and Roji, F.F. 2026. Optimasi Hyperparameter XGBoost Menggunakan Particle Swarm dan Grey Wolf Optimization untuk Prediksi Churn: XGBoost Hyperparameter Optimization Using Particle Swarm and Grey Wolf Optimization for Churn Prediction. MALCOM: Indonesian Journal of Machine Learning and Computer Science. 6, 4 (Oct. 2026), 2255-2266. DOI:https://doi.org/10.57152/malcom.v6i4.3049.