in this picture is count (down) and name of student name (left blue rows).
When students participate to class, count is 1, She/he goes same class second time, count is 2โฆ and so on, and it works.
But, now count calculated is from january 1. 2021, toooo long way back and too many counts. So I need only week (7 days) data. For example this day - 7 or something like that. So i think we need -7 data from colums โchangetimestampโโฆ
slicecolums are very simple: name, changetimestamp, and class (enum list).
Heres where i put code for this rule filter โ ImgBB
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