3 months Rolling formula

[Neha121]

Hi All,

     My data is as below I need to create a line chart with below data column P and Measure column S. column S is 3 month rolling average. How do we do this in qlik sense.

[anat]

Follow the below article for rolling calculations

https://community.qlik.com/t5/Member-Articles/Calculating-rolling-n-period-totals-averages-or-other/...