080257 : The aggregation method for the selected field must be set to SUM. Select another field.


When using this tool you cannot select demographic or data variables that cannot be summed up logically, for example, Adding up the values of median values is not mathematically correct. You would need to sum up all geographies that intersect your trade area, recalculate the bases of the medians, and recompute the final median. These tools do not perform that function.


Select demographic or data variables that can be summed up.