Hi there!
I am trying to get a calculation that shows, for each day and category, the total sales from the past 28 days.
For example, if the value in a row is 2022-12-09, I need to see the sum of sales from 2022-11-11 to 2022-12-09. If the value is 2022-12-10, the sum of sales should start from 2022-11-12 to 2022-12-10, and so on.
The structure of my table is very simple:
Any ideas would be much appreciated!