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PowerPivot | The CALCULATE function exercise | Use CALCULATE to work out regional proportions
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The aim of this exercise is to create the followng pivot table:
For each region, compare it's sales per year against total sales across all regions.
As always, further explanations follows!
To start, if you haven't already done so run the script in the above folder to generate the MAM database (not for commercial use or copying).
The PowerPivot field list you'll need for this is as follows:
It doesn't have to be this neat, but these will be the fields you'll need.
Here are the relationships that you'll need:
You'll need the regions table, the transactions table, and all the tables between them.
Once you've got the basic pivot table working, add two measures:
|Measure||What it calculates|
|All regions||The total quantity of transactions, but for all regions (see hint below).|
|Proportion||The total quantity of sales for this cell (ie for this filter context), divided by the total quantiy of transactions for all regions.|
The syntax you'll need is =CALCULATE(SUM(something),ALL(some column).
Save this workbook as Regional proportions, then close it down.