Ampuan , Hannan. “Classifying the Cumulative Grade Point Average of the Students Based on the Perceived Illnesses They Experienced: A Categorical Regression Analysis Using Bayesian Additive Regression Trees ”. International Journal of Education, Research, and Innovation Perspectives, vol. 2, no. 2, Feb. 2026, pp. 447-81, https://doi.org/10.5281/zenodo.18683439.