Need your help with respect to this. At a most granular level I have product and market with their product sales and market sales . I want the Market Volume to be calculated for the product based on a formula like
I am not sure if you are referring to the partial sum option. For that you will have to make the chart as pivot and then in presentation tab you will get the option for enabling the partial sum for the required dimension (in this case District).
If that is not the issue, please post a sample qvw.