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Language family classifications as Newick trees with branch length [database and software tool]

Dediu, D. (2015). Language family classifications as Newick trees with branch length [database and software tool]. GitHub.
Classifications of languages into language families, such as provided by Ethnologue, Glottolog, WALS and AUTOTYP, usually come in non-standard formats and do not provide branch lengths, making them very hard to use by various software tools such as phylogenetic programs. This resource introduces a flexible method (written in R) for (a) converting these representations into the standard Newick format and (b) for adding branch length information from a variety of sources. More information can be found in the README.md file and in the paper/family-trees-with-brlength.pdf files in the GitHub repository.

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