Model Additional Levels in a Hierarchy

You can add a level to an existing hierarchy by dragging a dataset column to the desired position in the Hierarchies panel. A hierarchy should go from the most granular level on the bottom to the most general level on the top.

Procedure

Open the dimension editor canvas.
Drag a dataset column to above or below an existing level in the Hierarchies panel. Look for a thin green line, and drop in the correct position in the hierarchy.
Complete the requested information in the Create a Level dialog; for details, see Edit a Level.
Choose Save.