And howmanytrees() in ape tells you how many trees there are for a given number of tips (if it returns Inf, it's because this number is beyond the largest representable number on your computer).
Best, Emmanuel -----Original Message----- From: David Bapst <dwba...@uchicago.edu> Sender: r-sig-phylo-boun...@r-project.org Date: Thu, 21 Jul 2011 10:26:40 To: Liutauras Rusaitis<liutauras.rusai...@st-annes.ox.ac.uk> Cc: r-sig-phylo@r-project.org<r-sig-phylo@r-project.org> Subject: Re: [R-sig-phylo] Generating all possible phylogenies... Liutauras- allTrees() in the phangorn package can calculate all possible trees for up to 10 tips. Cheers, -Dave, UChicago On Thu, Jul 21, 2011 at 10:20 AM, Liutauras Rusaitis < liutauras.rusai...@st-annes.ox.ac.uk> wrote: > Hello, > > Is it possible to use Ape Library to generate all possible evolutionary > tree structures given a fixed number of nodes? We're studying plant leaf > evolutions and we need to test each evolutionary tree on our models. We > realize the number of trees would be huge, so we'd chooce only the most > parsimonious trees once we can generate all of them. > > Thanks, > > Liutauras > _______________________________________________ > R-sig-phylo mailing list > R-sig-phylo@r-project.org > https://stat.ethz.ch/mailman/listinfo/r-sig-phylo > -- David Bapst Dept of Geophysical Sciences University of Chicago 5734 S. Ellis Chicago, IL 60637 http://home.uchicago.edu/~dwbapst/ [[alternative HTML version deleted]] _______________________________________________ R-sig-phylo mailing list R-sig-phylo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-phylo _______________________________________________ R-sig-phylo mailing list R-sig-phylo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-phylo
