This function is an R interface for dnapenny in the PHYLIP package (Felsenstein 2013). dnapenny performs branch & bound parsimony searching following Hendy & Penny (1982).
an object of class
path to the executable containing dnapenny. If
optional arguments to be passed to dnapenny. See details for more information.
Optional arguments include the following:
quiet suppress some output to R console (defaults to
quiet = FALSE);
groups number of groups of 1,000 trees (defaults to
groups = 10000);
report reporting frequency, in numbers of trees (defaults to
report = 1000);
simple simple branch & bound (defaults to
simple = TRUE);
threshold threshold value for threshold parsimony (defaults to ordinary parsimony);
weights vector of weights of length equal to the number of columns in
X (defaults to unweighted);
outgroup outgroup if outgroup rooting of the estimated tree is desired; and
cleanup remove PHYLIP input & output files after the analysis is completed (defaults to
cleanup = TRUE).
More information about the dnapenny program in PHYLIP can be found here http://evolution.genetics.washington.edu/phylip/doc/dnapenny.html.
Obviously, use of any of the functions of this package requires that PHYLIP (Felsenstein 1989, 2013) should first be installed. Instructions for installing PHYLIP can be found on the PHYLIP webpage: http://evolution.genetics.washington.edu/phylip.html.
This function returns an object of class
"multiPhylo" that is the tree or trees with the best parsimony score.
tree$score gives the parsimony score, for
Liam J. Revell, Scott A. Chamberlain
Maintainer: Liam J. Revell <[email protected]>
Felsenstein, J. (1989) PHYLIP–Phylogeny Inference Package (Version 3.2). Cladistics, 5, 164-166.
Felsenstein, J. (2013) PHYLIP (Phylogeny Inference Package) version 3.695. Distributed by the author. Department of Genome Sciences, University of Washington, Seattle.
Hendy, M.D., Penny, D. (1982) Branch and bound algorithms to determine minimal evolutionary trees. Mathematical Biosciences, 60, 133-142.
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