Editing your DAX formulas
You may need to go back to your DAX formulas to make changes. You can easily edit current measures by going to the Power Pivot tab | Measures | Manage Measures…, as seen here:
Figure 5.42 – Editing your measures
Select the measure you want to edit from the list and click on Edit. This brings you to the Manage Measures dialog box. You can make your changes from here:
Figure 5.43 – The Edit button in the Manage Measures dialog box