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looking up several instances of same value in an array

  1. #1
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    12-20-2005
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    looking up several instances of same value in an array

    Hi,

    I have a table which may contain more than one row per identifier, such as:

    3 122
    2 44
    3 20
    1 50
    1 99
    3 106

    I need to sum up all right-column values referring to the same identifier, into an array which would look like this:

    1 149
    2 44
    3 248

    vlookup returns only the first instance of each value.
    How can I collect all instances for the sum (preferably without sorting table 1)?

    Thanks.

  2. #2
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    12-20-2005
    Posts
    5

    Re: looking up several instances of same value in an array

    I figured it out using SUMIF.
    Cheers!

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