unrooted
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unrooted — “+ adjective Etymology: un (I) + rooted, past participle of root 1. : not torn up by the roots used with out 2. : having no roots : rootless an unrooted a … Useful english dictionary
Unrooted tree path lengths — In computer science, the problem of unrooted tree path lengths is that of finding the number of paths of each length in a tree.It is known that no algorithm can solve it in less than O( n 2) asymptotic time.Fact|date=February 2008 … Wikipedia
unrooted — adjective a) Not rooted b) uprooted … Wiktionary
unrooted — un·rooted … English syllables
Phylogenetic tree — ptree redirects here. For Patricia tree, see Radix tree … Wikipedia
Computational phylogenetics — is the application of computational algorithms, methods and programs to phylogenetic analyses. The goal is to assemble a phylogenetic tree representing a hypothesis about the evolutionary ancestry of a set of genes, species, or other taxa. For… … Wikipedia
Newick format — In mathematics, Newick tree format (or Newick notation or New Hampshire tree format) is a way to represent graph theoretical trees with edge lengths using parentheses and commas. It was adopted by James Archie, William H. E. Day, Joseph… … Wikipedia
Maximum parsimony — Maximum parsimony, often simply referred to as parsimony, is a non parametric statistical method commonly used in computational phylogenetics for estimating phylogenies. Under maximum parsimony, the preferred phylogenetic tree is the tree that… … Wikipedia
Distance matrices in phylogeny — Distance matrices are used in phylogeny as non parametric distance methods were originally applied to phenetic data using a matrix of pairwise distances. These distances are then reconciled to produce a tree (a phylogram, with informative branch… … Wikipedia
Maximum parsimony (phylogenetics) — Parsimony is a non parametric statistical method commonly used in computational phylogenetics for estimating phylogenies. Under parsimony, the preferred phylogenetic tree is the tree that requires the least evolutionary change to explain some… … Wikipedia
