When we select 'Add Base Measure', the list of base measures used in the KPI gets listed under 'Available Base Measures' pane. The pane will be blank when it has no combination of dimensions used in the KPI. This is the functionality of ARC.
As per product functionality, you cannot add expression measures into a computed measure since computed measure are generated run time & being created by ARC once data has been fetched from database.
When we select 'Add base measure', the list of base measures apart from whatever is used in the KPI (for the specific combination of dimensions used) will get listed under 'Available base measures' pane. For Store Scorecard KPI, since there are no ...