To rename the subset:
1. In the PowerOLAP ribbon, select Model
tab, Dimension
command.
The Dimensions dialog box appears.
2. Select the Dimension containing
the Subset that you want to rename.
Click on the Subsets button.
The Edit Subsets dialog box appears.
3. Select the Subset that you
want to rename.
The subset selected also appears on the text box at the top of the dialog.
4. While the subset to be renamed is selected (highlighted), type a <new subset name> on the textbox then click Rename button.