make.leaf.paths: Make matrix of leaf paths
Description
It is helpful to know the parent nodes for each tree node. This
function creates a matrix with that information.
Usage
make.leaf.paths(up.to = 2047)
Arguments
up.to
Number of rows for which to compute leaf.paths.
Value
Numeric matrix with "up.to" rows. If 2^j <= up.to < 2^(j+1), j columns.
Details
The ith row of the resulting matrix lists all the leaves, including i,
that would be traversed from the root to leaf i. Unneeded columns have zeros.