Dendrogram
Dendrogram
Diagram with a treelike structure
A dendrogram is a diagram representing a tree. This diagrammatic representation is frequently used in different contexts:
- in hierarchical clustering, it illustrates the arrangement of the clusters produced by the corresponding analyses.[4]
- in computational biology, it shows the clustering of genes or samples, sometimes in the margins of heatmaps.[5]
- in phylogenetics, it displays the evolutionary relationships among various biological taxa. In this case, the dendrogram is also called a phylogenetic tree.[6]
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The name dendrogram derives from the two ancient greek words δένδρον (déndron), meaning "tree", and γράμμα (grámma), meaning "drawing, mathematical figure".[7][8]