Rachman, A.N. et al. 2022. Decision Tree and K-Nearest Neighbor (K-NN) Algorithm Based on Particle Swarm Optimization (PSO) for Diabetes Mellitus Prediction Accuracy Analysis. CESS (Journal of Computer Engineering, System and Science). 7, 2 (Jul. 2022), 315–324. DOI:https://doi.org/10.24114/cess.v7i2.34245.