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DAX | Calculated columns exercise | Categorise Great British Bake-Off series by viewing figures using SWITCH
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.
Software ==> | DAX (28 exercises) |
Version ==> | |
Topic ==> | Calculated columns (5 exercises) |
Level ==> | Average difficulty |
Subject ==> | Power BI training |
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Open the Power BI desktop file in the above folder to see:

Your task will be to divide the series into viewing figure bands.
In the underlying table, create a new column called Viewing Band which uses the SWITCH function to allocate series to different bands according to these rules:
Million viewers | Band |
---|---|
Up to and including 5 | Niche |
6 to 8 | Mainstream |
9 to 12 | Cult |
More than 12 | National treasure |
The syntax of the SWITCH function is usually:
Turn the report's table into a matrix and use it to count how many series there were in each band for each channel:

Channel 4 aren't national treasure level yet ...
Save this file as There was only one Rahul, then close it down.