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August 8, 2020
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Hi..
I am having trouble filtering a column (assg_id) and remove the duplicate numbers. The formula that I am using is =Unique(A2:A2669) but then I get a spill error..
I want to count the assignment number one time even if the same assignment number appears on the list multiple times.
July 16, 2010
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Hi Leslie,
Select cell F3 to the end of the cells containing data and press DELETE. This will fix the spill error. You only enter dynamic array formulas in a single cell and then Excel doesn't the copying (spilling) down.
If you only want the count, you can wrap the UNIQUE formula in COUNTA e.g.
=COUNTA(UNIQUE(C$2:C$2669))
Notice I removed the TRUE argument from UNIQUE because TRUE will only return unique items, i.e. assg_ids that only appear once, as opposed to a distinct list of assg_ids. More on the UNIQUE function here.
Mynda
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