path_to_root {autoharp} | R Documentation |
Extract a path from node to root.
Description
Identifies the nodes on the path from a node up to the root of a TreeHarp object.
Usage
path_to_root(th, node_num)
Arguments
th |
A TreeHarp object. |
node_num |
A node number to start tracking upwards from. |
Details
This function allows the user to identify the branch from a node up to the root of a tree.
Value
A vector of 1's and 0's that can be used to carve out the branch
alone, using carve_subtree
.
Examples
ex1 <- quote(x <- f(y, g(5)))
th1 <- TreeHarp(ex1, TRUE)
path_to_root(th1, 5)
[Package autoharp version 0.0.10 Index]