tree.get.tag: Retrieves a named tag from the given node. Tags are usually...

In gjuggler/ggphylo: Tools for laying out and plotting phylogenetic data (trees and alignments) with ggplot.

Description

Retrieves a named tag from the given node. Tags are usually loaded via NHX annotations when reading a tree file or string (see tree.read) or by loading data from an external data frame (see tree.load.tags).

Usage

  tree.get.tag(phylo, node, tag)

Arguments

phylo	input phylo object
node	the node index from which to retrieve the tag
tag	the name of the tag to retrieve

Value

character string corresponding to the tag value, if exists; NA otherwise.

Examples

tree <- tree.read('((a,b[&&NHX:foo=bar]),c);')
tree.get.tag(tree, tree.node.with.label(tree, 'b'), 'foo') # gives "bar"

gjuggler/ggphylo documentation built on May 17, 2019, 6:05 a.m.