Apologies if this question has been raised before, I did look through the old posts but nothing that got close to an answer for me.
I need the count of how many times the ID occurs during a period. But I need to count them uniquely.
Here is an example of the data
Date
ID
22/07/2024...
Hello @Fluff,
This is a follow-up question regarding my earlier thread here, using your following formula:
=LET(a,REDUCE("",t_MUs[[Theme A]:[Theme C]],LAMBDA(x,y,VSTACK(x,IF(SUBTOTAL(103,y),y,"")))),ROWS(UNIQUE(FILTER(a,a<>""))))
The filtered results are working great. However, I wanted to...
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