PHYLIP A package of programs for inferring phylogenies
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PHYLIP Tags

evolutionary tree parsimony phylogeny

PHYLIP Description

The PHYLogeny Inference Package (PHYLIP) is a package of programs for inferring evolutionary trees (phylogenies). Methods that are available in the package include parsimony, distance matrix, and likelihood methods, including bootstrapping and consensus trees. Data types that can be handled include molecular sequences, gene frequencies, restriction sites and fragments, distance matrices, and discrete characters. The programs are controlled through a menu, which asks the users which options they want to set, and allows them to start the computation. The data are read into the program from a text file, which the user can prepare using any word processor or text editor (but it is important that this text file not be in the special format of that word processor -- it should instead be in "flat ASCII" or "Text Only" format). Some sequence analysis programs such as the ClustalW alignment program can write data files in the PHYLIP format. Most of the programs look for the data in a file called "infile" - if they do not find this file they then ask the user to type in the file name of the data file. Output is written onto special files with names like "outfile" and "outtree". Trees written onto "outtree" are in the Newick format, an informal standard agreed to in 1986 by authors of a number of major phylogeny packages. Get PHYLIP and give it a try to fully assess its capabilities!

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