POWER BI EXERCISES▼
POWER BI EXERCISES▼
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Power BI | Query editor exercise | Tidy up a list of the top websites using Query Editor
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.
You can learn how to do this exercise if you attend one of more of the courses listed below!
|Software ==>||Power BI (92 exercises)|
|Version ==>||Latest update|
|Topic ==>||Query editor (8 exercises)|
|Level ==>||Average difficulty|
|Classroom ==>||Introduction to Power BI / Fast track Power BI and DAX / Fast track Power BI|
|Online ==>||Introduction to Power BI / Fast track Power BI and DAX / Fast track Power BI|
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Create a new Power BI report. Load data from the Excel workbook in the above folder to get:
The initial list of websites (we have much to do).
Make the first row the header row and rename and remove columns to get:
Better - now the fun begins!
Add in a column to number each row, as shown here, and rename the resulting column to Ranking:
This option effectively numbers each row.
Use splitting columns to derive the current Alexa rank, keeping the number but losing the bit in brackets after it:
Alexa is an online tool to show how popular websites are (it's by no means 100% reliable). Although the early Alexa numbers are the same as those for the website's ranking, you'll see there are big differences towards the bottom of the list.
Load this data back into Power BI, and use it to create a chart something like this:
This chart shows how many domains there are for each country and type.
Save this report as Google rules, then close it down.