Find the percentage of count of value by category

user071525
user071525
in Magic ETL

Imagine there are 3 colums
Country column - USA, UK, FR

Purchase_status - Issued, Refund

Count of purchased status

 

The goal is to add 1 more column that shows the percentage of 'count of purchased status by country'.
How should we do that in the beast mode, thank you in advance everyone.

Comments

  • MarkSnodgrass
    MarkSnodgrass Coach

    I find that getting something like a country total works best in the ETL. You can get the country totals by adding a group by and then joining back to your main dataset. It would look like this in the ETL. 

    groupbyETL.PNG

    If you didn't want to do that, have you considered using a Nested Bar card? It does a nice job of showing the information you are looking for. Mocking up some sample data based on what you described, it would look like this:

    nestedbar.PNG

    Hope this helps.

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  • DataMaven
    DataMaven Contributor

    Mark's solution is what I do when the groups are fixed and can be calculated.  You can run into trouble with some filtering, though.  

     

    I have found that creative use of the RANK function can be helpful.  

     

    Here's a sample of one that you can start with and explore:

    RANK() OVER (PARTITION BY `Category` ORDER BY (Sum(`Amount`)))

     

     

     

     

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