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Software ==>	PowerPivot (72 exercises)
Topic ==>	More advanced DAX functions (5 exercises)
Level ==>	Harder than average
Subject ==>	Power BI training

Group sales into size bands using the EARLIER function

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.

Before you can do this exercise, you'll need to download and unzip this file .

If you haven't already done so, run the SQL script in the above folder in SQL Server Management Studio to generate a database (not for commercial use or copying) called MAM.

Again if you haven't already done so, create a new workbook and PowerPivot data model, and import the following tables: tblCentre, tblCentreType, tblPos, tblStore, tblTransaction.

Open the Word document in the above folder, and paste the data into your model to create the following new table:

Call your new table Categories.

Resist the temptation, however, to link this to any other table - it should stand alone!

Now create a calculated column in the Centre table using the EARLIER function to give a size band for each centre. Here's what this should look like:

The column should show for each centre the name of the category where the centre's number of units is less than the upper threshold for the cateogry, but also greater than or equal to the lower.

This must be a calculated column, not a calculated field!

You should now be able to use this calculated column to create the following pivot table: