1.
Agglomerative Hierarchical Clustering: An Introduction to Essentials. (3) Standardization, Normalization and Dimensionality Reduction of a Data Matrix. GJHSS. 2016;16(G3):55-63. Accessed September 29, 2026. https://www.socialscienceresearch.org/index.php/GJHSS/article/view/1711