ape (version 2.2-4)

write.tree: Write Tree File in Parenthetic Format

Description

This function writes in a file a tree in parenthetic format using the Newick (also known as New Hampshire) format.

Usage

write.tree(phy, file = "", append = FALSE,
           digits = 10)

Arguments

phy
an object of class "phylo".
file
a file name specified by either a variable of mode character, or a double-quoted string; if file = "" (the default) then the tree is written on the standard output connection (i.e. the console).
append
a logical, if TRUE the tree is appended to the file without erasing the data possibly existing in the file, otherwise the file (if it exists) is overwritten (FALSE the default).
digits
a numeric giving the number of digits used for printing branch lengths.

Value

  • a vector of mode character if file = "", none (invisible `NULL') otherwise.

Details

The node labels and the root edge length, if available, are written in the file.

References

Felsenstein, J. The Newick tree format. http://evolution.genetics.washington.edu/phylip/newicktree.html

Olsen, G. Interpretation of the "Newick's 8:45" tree format standard. http://evolution.genetics.washington.edu/phylip/newick_doc.html

See Also

read.tree, read.nexus, write.nexus