descendants {ips} | R Documentation |
Descendants of an Internal Node in a Phylogeny
Description
For any given internal node of a phylogeny, the function returns a vector containing the node numbers descending from that node.
Usage
descendants(phy, node, type = "t", ignore.tip = TRUE, labels = FALSE)
Arguments
phy |
an object of class |
node |
an integer giving the number of the internal node. |
type |
a character string, may be |
ignore.tip |
logical, if |
labels |
logical, determines if node labels are returned instead of node number, currently ignored unless |
Value
A vector containing terminal node numbers or tip labels.
Author(s)
Christoph Heibl
See Also
Examples
# generate a random tree with 12 terminal and 11 internal nodes:
tree <- rtree(12)
# get the descendants of internal node 15:
x <- descendants(tree, 15)
[Package ips version 0.0.12 Index]