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Thread: Conditional cumulative sum

  1. #1

    Conditional cumulative sum

    I am completely new to VBA, and I have limit expertise in Excel. So I need help!!!

    I have three columns the first two are zones (integers), and the third is the value I want to cumulatively sum.

    This are the first few values:
    zoneA zoneB Values
    row1 1 2 55
    row2 1 2 13
    row3 1 3 11
    row4 1 4 2
    row5 1 4 12

    What I need, is to to sum the values of the third column (values) when the values of the first two columns (zone A, zone B) are the same. In the example, the results should be:

    1 2 68
    1 3 11
    1 4 14

    I need it to be presented in an excel worksheet as a result.

    Thanks!!

  2. #2
    Try =SUMPRODUCT(($A$2:$A$6=1)*($B$2:$B$6=2)*($C$2:$C$6)) =68
    =SUMPRODUCT(($A$2:$A$6=1)*($B$2:$B$6=3)*($C$2:$C$6)) =11
    =SUMPRODUCT(($A$2:$A$6=1)*($B$2:$B$6=4)*($C$2:$C$6)) =14

    where 1 is zoneA and 2, 3, 4 is zoneB

  3. #3
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    why not just, assuming headers are in row 1, data starts in row 2...

    =SUM(C1,IF(A2=B2,C2,0))

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