WISE OWL EXERCISES
POWER BI EXERCISES
- PowerPivot data models (7)
- Pivot tables using PowerPivot (2)
- Using Excel tables (3)
- Using other data sources (1)
- Transforming data (Power Query) (7)
- Calculated columns (7)
- Measures (2)
- The CALCULATE function (15)
- More advanced DAX functions (5)
- Calendars (1)
- Date functions (10)
- Hierarchies (2)
- KPIs (5)
- Power View (4)
- Power BI Desktop overview (3)
- Power BI Desktop maps (1)
PowerPivot | Measures exercise | Use AVERAGEX to average a ratio
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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).
Create the following pivot table based on the two tables tblCentreType and tblCentre:
You shouldn't need to create any measures for this bit of the exercise.
Here's what your PowerPivot field list should look like at this point:
The list of fields in the PowerPivot data model.
Create a measure and display it in your pivot table to show the average ratio of square metre area to number of units for each shopping centre:
The average ratios include some which display errors.
Use the AVERAGEX function.
Why do some rows show an error?
Double-click on one of the average ratios which doesn't contain errors, and test in Excel that PowerPivot is showing the correct answer.
Save this workbook as How to get round this, and close it down.