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[B]... for Box

Box allows you to define graphically a geometrical region as a conditional parameter. This statement implies that you know the shape of the correlation of the 2 variables before the test can be applied based on that condition. This will necessitate a double path through the procedure for establishing an operative test box. During this process, the command will display a box setting status page. This listing can also be obtained without starting a box booking by the command [B] L<cr>. This page is composed of :

Box options table
Box_# Slot position
Status Access status of that slot
Accessible box file and X/Y match requirement
Overwrite X/Y match only for temporary test box
Protected X/Y do not match test file
Box file Box file name seen in test file or recently created
X_var X variable involved in the current slot
Y_var Y variable involved in the current slot
Nvert/type Current number of definition for that slot
Status Status of the slot content
empty slot empty
active loaded in memory

The necessary steps to activate a boxfile are the following:
1) Setup the test file to reflect the expected BOX condition that you would like to see.
2) Compile the test file and start a run.
3) Setup the dotplot of X_var vs Y_var gated on Test_var of interest.
4) Display the newly created dotplot.
5) Invoke the BOX command, and specify the file name that you gave in the test file.
6) Draw the contour of the test box with the mouse by pressing the left button for ending the current vertex and the right button for closing the contour.
7) Select the slot number reflecting your requirement.
8) Hit return to return to the dotplot. From that point the test box is active. Its results can be checked from the efficiency table.

<[UP] do> + <[B] cr> Dotplot with projection and Box overlay

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