Pandit, Pramit, K. N. Krishnamurthy, and K. B. Murthy. “Algebraic and Geometric Basis of Principal Components: An Overview”. Journal of Reliability and Statistical Studies 13, no. 01 (October 13, 2020): 73–86. Accessed May 14, 2026. https://journals.riverpublishers.com/index.php/JRSS/article/view/20575.