Select matrix plot > Editor > Graph Options
Use to display the lower triangle, upper triangle, or full matrix of plots, to control the placement of ticks and variable labels, and to change plot margins.
Matrix Display (only available with matrix of plots)
Full: Choose to display the full matrix of plots.
Lower left: Choose to display the lower left triangle of the matrix of plots.
Upper right: Choose to display the upper right triangle of the matrix of plots. When you choose upper right, the default sides for tick and axis lines and labels shift to the upper and right sides, respectively.
Alternate Ticks On Plots (only available with full matrix display)
Alternate: Choose to alternate the placement of ticks on adjoining plots.
Don't alternate: Choose to place all ticks on the same side of all plots.
Variable Label Placement (only available with matrix of plots)
Diagonal: Choose to display the variable labels along the empty diagonal. This is the default.
Boundary: Choose to display the variable labels along the boundary of the matrix of plots.
Margins between plots: Enter a value from 0 to 0.25.