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Detect duplicates

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  1. #1
    Registered User
    Join Date
    11-08-2012
    Location
    USA
    MS-Off Ver
    Excel 2007
    Posts
    46

    Detect duplicates

    Can somebody help me with this quite complicated problem. I need to detect duplicate row in excel, i cant use "Remove duplicate" function because I want to see what are duplicates.

    *Every row has got 4 cells.
    *I have got around 50k rows which have do be process
    *Those rows which are duplicates must be marked with numbers 1 2 3 etc.
    *Complicated problem: Column A and B has got coordinates which may vary around +- 0.001

    There a picture to imagine what i need:
    3 rows.png

    Ask questions, maybe i didn't explained the problem clearly.
    Attached Images Attached Images
    Last edited by HelpExc; 02-08-2013 at 05:42 PM.

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