Users can: 

Right-click within the decision grid and choose to:

• Toggle subtotals on and off for individual data groups, for all values of a dimension, or for the whole grid.
• Display the Decision Cube editor, described in Using the Decision Cube editor.
• Toggle dimensions and summaries open and closed.

Click + and – within the row and column headings to open and close dimensions. 

Drag and drop dimensions from rows to columns and the reverse.