# Tree diagram

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**Tree diagram** may refer to:

- [Tree structure](/source/Tree_structure), a way of representing the hierarchical nature of a structure in a graphical form

## Mathematics and logic

- [Tree diagram (probability theory)](/source/Tree_diagram_(probability_theory)), a diagram to represent a probability space in probability theory
- [Decision tree](/source/Decision_tree), a decision support tool that uses a tree-like graph or model of decisions and their possible consequences
- [Event tree](/source/Event_tree), inductive analytical diagram in which an event is analyzed using Boolean logic
- [Game tree](/source/Game_tree), a tree diagram used to find and analyze potential moves in a game

## Linguistics

- [Language tree](/source/Language_tree), representation of a group of languages related through descent from a common ancestor
- [Parse tree](/source/Parse_tree), a representation of the syntactic structure of a string according to some formal grammar in linguistics - [Sentence diagram](/source/Sentence_diagram), a pictorial representation of the grammatical structure of a sentence showing the relationships of phrase structures

## Biology

- [Dendrogram](/source/Dendrogram), a tree diagram used to illustrate clusters of genes or samples in computational biology
- [Phylogenetic tree](/source/Phylogenetic_tree), a branching diagram showing the inferred evolutionary relationships among various biological species

## Other uses

- [Attack tree](/source/Attack_tree), conceptual diagrams showing how a target might be attacked
- [Fault tree diagram](/source/Fault_tree_diagram), diagram used in deductive failure analysis in various industries
- [Program structure tree](/source/Program_structure_tree), hierarchical diagram that displays the organization of a computer program
- [Treemapping](/source/Treemapping), a method for displaying hierarchical data using nested figures, usually rectangles.

## See also

- [Tree topology](/source/Tree_topology), a topology based on a hierarchy of nodes in a computer network
- [Tree diagram (physics)](/source/Tree_diagram_(physics)), an acyclic [Feynman diagram](/source/Feynman_diagram), pictorial representations of the mathematical expressions governing the behavior of subatomic particles
- [Outliners](/source/Outliners), a common software application that is used to generate tree diagrams
- [Network diagram](/source/Network_diagram)
- [Tree (disambiguation)](/source/Tree_(disambiguation))
- [Descent (disambiguation)](/source/Descent_(disambiguation))

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Adapted from the Wikipedia article [Tree diagram](https://en.wikipedia.org/wiki/Tree_diagram) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Tree_diagram?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.