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POWER BI EXERCISES▼
DAX | The CALCULATE function exercise | Use two variables and the CALCULATE function to create a ratio
This exercise is provided to allow potential course delegates to choose the correct Wise Owl Microsoft training course, and may not be reproduced in whole or in part in any format without the prior written consent of Wise Owl.
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Create a new Power BI Desktop file, and load the tables from the workbook in the above folder into your model. Using variables, create a measure which allows you to show this matrix:
The matrix shows for each cell the ratio between sales for that cell and sales for four- and six-legged animals for the same filter context.
Here's a suggestion of variables to create within your measure:
|Variable||What it could equal|
|FourLeggedSales||The total quantity of sales for the current filter context, but for animals with 4 legs|
|SixLeggedSales||The total quantity of sales for the current filter context, but for animals with 6 legs|
|ManyLeggedRatio||A/B, where A = the total quantity of sales for the current filter context, and B = the sum of the previous two variables|
Save this workbook as Variable fun, then close down the Power BI instance you're using.