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"Multiple joins" in Excel with Vlookup

  1. #1
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    "Multiple joins" in Excel with Vlookup

    I have table column with "Customer Group", "Item", and "Price"

    I have another table that pulls (Customer Group & Item) with a vlookup to get price from this table into another one.

    I concatenate information in a column, and then look up the concatenated value with this:
    =VLOOKUP(B12&E12,I:L,4,0)

    Is there a better way?

    Thank you much,

    Roger!
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    Last edited by bluerog; 08-19-2009 at 04:25 PM.

  2. #2
    Forum Expert NBVC's Avatar
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    Re: "Multiple joins" in Excel with Vlookup

    As long as there is one unique combination for each... then you can use this formula:

    =SUMPRODUCT(--(J:J=B10),--(K:K=E10),L:L)
    Where there is a will there are many ways.

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    Forum Guru martindwilson's Avatar
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    Re: "Multiple joins" in Excel with Vlookup

    or
    =INDEX($L$2:$L$27, MATCH(B10 & E10, INDEX($J$2:$J$7 & $K$2:$K$7, 0), 0))
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    Re: "Multiple joins" in Excel with Vlookup

    Thank you both. These work great and I don't have to add the dumb concatenated column.

    I am going to pick the brains of NBVC someday and figure out what the "--" really does in Excel. But I need the explanation simplified if possible.

    Somehow you've taken the "SUMPRODUCT" function and made it useful for things other than...well... summing and multiplying.

    You all rule.

    Roger!

  5. #5
    Forum Expert NBVC's Avatar
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    Re: "Multiple joins" in Excel with Vlookup

    The "--" is usually called double negative or double unary... it serves to coerce arrays of TRUE/FALSE resulting from the individual conditional checks to 1/0 arrays so that SUMPRODUCT() can do it's math as designed...

    There was a good link at Xldynamic.com that explained it all well, but no longer accessible...

    Many examples exist on the net though if you google Excel and Sumproduct or similar...

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