Obtain a 12 Month rolling average and display the last 12 months data only

Published: 09 Jan 2023
Last Modified Date: 10 Jan 2023


How to get a 12 Months rolling average and display the last 12 months only?


  • Tableau Desktop all versions
  • Tableau Server all versions


Please review the following step:

1. Create a calculated field with the following code:
Name: Hide Month

Calculation: LOOKUP(MAX(DATETRUNC('month', [Ship Date])),0)

2. Drag the new calculated field to the Columns shelf and right-click to Compute Using > Cell.

3. Drag the calculated field to the Filters shelf and select all values. Right-click to select Continuous.


4.  Set the filter as a Relative Date filter and select the last 12 months as shown below.

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