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POWER BI EXERCISES▼
DAX | Variables exercise | Use variables to calculate the Oscar win ratio for films
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Open the Power BI file in the above folder. The aim of this exercise is to show the Oscar win ratio:
The win ratio is the total number of Oscars won for the filter context divided by the total number of nominations.
See below for how to proceed!
Create a measure called Win ratio, and within this declare two variables:
|Variable||What it should hold|
|Nominations||The total sum of all nominations for the filter context|
|Wins||The total sum of all wins for the filter context|
Your measure should then return the value of the second variable divided by the first (you could have done this without the variables, but they make everything clearer).
You'll need to be careful to avoid showing a divide-by-zero error for the Unknown certificate category, for which there were no nominations.
If you get this working, you could try commenting out different lines of your formula and returning different values to show, in turn:
- the number of nominations; and
- the number of wins.
Save this as I love variables, then close it down.