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hello. can sOMEONe help me understand this sumproduct formula that looks for duplicates in different columns? Gracias. I don't understand what it doing. What is the need for sumproduct?
=SUMPRODUCT((COUNTIF(A2:A8,B2:B8)=0)*(B2:B8<>""))
hello. can sOMEONe help me understand this sumproduct formula that looks for duplicates in different columns? Gracias. I don't understand what it doing. What is the need for sumproduct?
=SUMPRODUCT((COUNTIF(A2:A8,B2:B8)=0)*(B2:B8<>""))
Sumproduct is here used to sum each B column item, which is not listed in column A, so it is equivalent to
Formula:
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Best Regards,
Kaper
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