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How To Create a Combined Set In Tableau

This post was originally published on The Data School blog between 2018 and July 2025, before our program was renamed to MIP’s Analytics Career Accelerator. References throughout this article to “The Data School” or “DS” all refer to what is now MIP’s Analytics Career Accelerator. The program, its people, and its commitment to launching outstanding analytics careers remain the same – just under a new name.

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Hello everyone,
For example, In Sample Superstore, If you want to show both Top and Bottom 10 Customers, you should create a combined set:
1. Create Top 10 Customers set (by Sales): Right click on the Customer Name, Hover on the Create and then select “Set…“.
2.In the Top tab, select By Field: Top, 10by SalesSum:

3. Now, creating another set for Bottom 10 Customers (by Sales). in the above picture instead of By field “Top”, Choose “Bottom” from the drop down list.
4. Now, you have two sets. (Top 10 Customers & Bottom 10 Customers). Select both of them in Data Pane, and right click on one of them then select Create Combined set:
5. In the Pop-up window, we name it “Top & Bottom 10 Customers By Sales” then selecting All members in both sets, and click Ok.

6. Now, drag it to the Rows and right click on it and select Show Members in Set:
7. Now, you have the list of 20 customers. you can also drag sales into the Columns to have a bar chart like following picture:

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