Hierarchical Clustering

Hierarchical Clustering

Ravasz and Girvan-Newman Algorithms. Ravasz and Girvan-Newman Algorithms. Agglomerative (Ravasz algorithm [1]) and divisive (Girvan-Newman algorithm [2, 3]).

Ravasz and Girvan-Newman Algorithms

Figure 1 Tree of Life. Hierarchical clustering defining the 3 biological domains: Archaea (red), Bacteria (blue) e Eukarya (green). Source

Hereby are presented two categories of hierarchical clustering algorithms: agglomerative (Ravasz algorithm [1]) and divisive (Girvan-Newman algorithm [2, 3]).

Ravasz Algorithm

It is divided into 4 sequential steps.

Definition of a Similarity Matrix

clustering girvan-newman ravasz algorithms hierarchical

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Hierarchical Clustering

Ravasz and Girvan-Newman Algorithms. Ravasz Algorithm: It is divided into 4 sequential steps. Definition of a Similarity Matrix

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