Standardizations in Cluster Analysis "https://community.alteryx.com/t5/Alteryx-Designer-Knowledge-Base/Standardization-in-Cluster-Analysis/ta-p/302296"

Resampling "https://www.statisticssolutions.com/sample-size-calculation-and-sample-size-justification-resampling"

Hierarchical Clustering with Python and Scikit-Learn "https://stackabuse.com/hierarchical-clustering-with-python-and-scikit-learn/"

Decision Tree Algorithm, Explained "https://www.kdnuggets.com/2020/01/decision-tree-algorithm-explained.html"

What is a Dendrogram? "https://www.displayr.com/what-is-dendrogram"

How To Read A Dendrogram "https://wheatoncollege.edu/wp-content/uploads/2012/08/How-to-Read-a-Dendrogram-Web-Ready.pdf"

Understanding the concept of Hierarchical clustering Technique "https://towardsdatascience.com/understanding-the-concept-of-hierarchical-clustering-technique-c6e8243758ec"