Razmkhah, Mostafa, Fathimah Al-Ma’shumah, and Sohrab Effati. “The K-Nearest Neighbor Classification of Histogram- and Trapezoid-Valued Data”. Statistics, Optimization & Information Computing 10, no. 4 (September 29, 2022): 1187-1203. Accessed November 22, 2024. http://iapress.org/index.php/soic/article/view/1451.