If sheet2 cols A and C equal the value in sheet1 cols H and I, I want to return the number of unique values in sheet 1 column A. Can anyone provide a fiormula for accomplishing this:
The following example should yield a result of 2 for the Arenas/Bibby combination because there are two rows in sheet1 where Arenas is in colH and Bibby in colI, AND the date in colA is unique (10/29/08 and 10/30/08):
sheet2
colA colC
Arenas Bibby
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Thanks,
Bob
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