Unique sumproduct with criteria!
Hi,
I have a unique count using a sumproduct formula like this...
=sumproduct((D2:D100<")/(countif(D2:D100,D2:D100)+(D2:D100="")
which seems to work ok. The problem is I then want to add another criteria
saying only count uniques where the date in column F = "01/01/05". Nothing
I've tried seems to work.
Thanks in advance!
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