Hierarchical clustering a hierarchical clustering is a set of nested clusters that are organized as a tree There are two basic approaches for generating a hierarchical clustering Agglomerative o Divisive 8/20/2016 PATTERN RECOGNITIONHierarchical clustering A hierarchical clustering is a set of nested clusters that are organized as a tree. There are two basic approaches for generating a hierarchical clustering ◦ Agglomerative ◦ Divisive 8/20/2016 PATTERN RECOGNITION 40