Dendrogram

A dendrogram (from Greek dendron "tree", -gramma "drawing") is a tree diagram frequently used to illustrate the arrangement of the clusters produced by hierarchical clustering. Dendrograms are often used in computational biology to illustrate the clustering of genes or samples.

For a clustering example, suppose this data is to be clustered using Euclidean distance as the distance metric.

Raw data

The hierarchical clustering dendrogram would be as such:

Traditional representation

Here the top row of nodes represent data, and the remaining nodes represent the clusters to which the data belong, and the arrows represent the distance.

See also

• Cladogram
• Hierarchical clustering
• MEGA, a free software for drawing dendrograms.
• yEd, a free software for drawing and automatically arranging dendrograms.

This statistics-related article is a stub. You can help Wikipedia by expanding it.v · Categories: Trees (structure) Statistical charts and diagrams Cluster analysis Statistics stubs Wikimedia Foundation. 2010. Игры ⚽ Поможем написать курсовую Ivan Stewart WWTC Look at other dictionaries: dendrogram — dendrògram m DEFINICIJA slika presjeka stabla dobivena dendrografom ETIMOLOGIJA dendro + gram …   Hrvatski jezični portal dendrogram — a branching diagram that depicts the relationships between a group of items sharing a common set of variables. A phylogenetic dendrogram is called a cladogram, q.v …   Dictionary of ichthyology dendrogram — noun Date: circa 1953 a branching diagram representing a hierarchy of categories based on degree of similarity or number of shared characteristics especially in biological taxonomy …   New Collegiate Dictionary dendrogram — n. [Gr. dendron, tree; gramma, written character] Any branching, tree like diagram designed to indicate degrees of relationship …   Dictionary of invertebrate zoology dendrogram — A treelike diagram that is used to graphically summarize mutual similarities and relationships between organisms …   Dictionary of microbiology dendrogram — /den dreuh gram /, n. Biol. a treelike diagram depicting evolutionary changes from ancestral to descendant forms, based on shared characteristics. Cf. cladogram, phenogram. [DENDRO + GRAM1] * * * …   Universalium dendrogram — noun A tree like diagram used to show the ancestors and descendents of species …   Wiktionary dendrogram — A treelike figure used to represent graphically a hierarchy. [dendron, tree, + gramma, a drawing] …   Medical dictionary dendrogram — [ dɛndrə(ʊ)gram] noun a tree diagram …   English new terms dictionary dendrogram —   Generic term for any kind of tree diagram, including cladograms, phenograms, and phylograms …   Expanded glossary of Cycad terms 18+ © Academic, 2000-2024 Contact us: Technical Support, Advertising Dictionaries export, created on PHP, Joomla, Drupal, WordPress, MODx. Mark and share Search through all dictionaries Translate… Search Internet Share the article and excerpts Direct link … Do a right-click on the link above and select “Copy Link”