Tree functions

These functions allow you to navigate around a GenStat tree structure.


BNEXT
Numbers of the nodes below a node

BPREVIOUS
Number of the node immediately above a node

BTERMINAL
Next terminal node after a node

BSCAN
Number of the node immediately after a node in a standard branch-by-branch order


Other functions provide information about trees and their nodes.


BNBRANCHES
Number of branches below a node

BDEPTH
Depth of a node

BPATH
Numbers of the nodes on the branch to a node

BBRANCHES
Numbers of the branches taken on the path to a node

BBELOW
All the nodes or all the terminal nodes below a node

BNNODES
Total number of nodes in a tree

BMAXNODE
Maximum node number in a tree