BRDISPLAY procedure

Displays a regression tree (R.W. Payne).

Option

PRINT = strings

Controls printed output (summary, details, indented, bracketed, labelleddiagram, numbereddiagram, graph); default * i.e. none

Parameter

TREE = tree

Tree to be displayed

Description

BRDISPLAY displays an regression tree, as constructed by the BREGRESSION procedure. The key can be saved from BREGRESSION (using the TREE option of BREGRESSION), and is specified for BRDISPLAY using the TREE parameter. The type of output is specified by the PRINT option, with settings:

summary

prints a summary of the properties of the tree;

details

gives detailed information about the nodes of the tree;

bracketed

display as used to represent an identification key in "bracketed" form (printed node by node).

indented

display as used to represent an identification key in "indented" form (printed branch by branch);

labelleddiagram

diagrammatic display including the node labels;

numbereddiagram

diagrammatic display with the nodes labelled by their numbers;

graph

plots the tree using high-resolution graphics.

Option: PRINT.

Parameter: TREE.

Method

BRDISPLAY displays the tree using procedures BPRINT and BGRAPH.