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Find Duplicates and remove the duplicate entry comparing two columns

  1. #1
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    Find Duplicates and remove the duplicate entry comparing two columns

    Has been googling this all day long..can somebody help me with this
    Looking for a formula to identify duplicate entry in a list of two column. Highlight/delete the duplicate entry and keep only the orginal one.
    PFA a sample scenario, PS- A value is duplicate only if the both the case number and version number are same.
    Attached Files Attached Files

  2. #2
    Forum Moderator Fotis1991's Avatar
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    Re: Find Duplicates and remove the duplicate entry comparing two columns

    Try.

    In G5 and copy down.

    =IF(SUMPRODUCT((E5:E5=E5)*($F$5:F5=F5))=1,"Unique","Duplicate")

    Then in I5 put this ARRAY formula. Copy down and across.

    =IFERROR(INDEX(E$5:E$11,SMALL(IF($G$5:$G$11="Unique",ROW(E$5:E$11)-4),ROW(E1))),"")
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    Re: Find Duplicates and remove the duplicate entry comparing two columns

    Fotis1991
    I think the formula requires a small tweaking coz im getting many entries as duplicate. which actually is not ? Can you jus go through the document attached along
    Attached Files Attached Files

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    Forum Moderator Fotis1991's Avatar
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    Re: Find Duplicates and remove the duplicate entry comparing two columns

    Row 5 values are not the same as row 8 values. Are these?

    This formula?

    =IF(SUMPRODUCT(($B$5:$B$476=B5)*($C$5:$C$476=C5))=1;"unique";"duplicate")

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    Re: Find Duplicates and remove the duplicate entry comparing two columns

    Fotis,

    Thanks a lot. Sorry for the late reply.
    The new formula is working fine. Is there a way i can say the first instance on a duplicate case number as unique and the second one as a duplicate. For eg in file name - 'Retrospikz duplicate V2.0' Row number 11 (B11-C11) and row number 267 (B267-C267)are duplicates.Row 11 should be mentioned as 'Unique' and Row 267 as a 'duplicate'

    Thanks a lot once again.

  6. #6
    Forum Moderator Fotis1991's Avatar
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    Re: Find Duplicates and remove the duplicate entry comparing two columns

    =IF(SUMPRODUCT(($B$5:B5=B5)*($C$5:C5=C5))=1,"unique","duplicate")

    And pls don't reply 2-3 days later. I have to re-think what i did 2-3 days earlier and i spend time and thought for this

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    Re: Find Duplicates and remove the duplicate entry comparing two columns

    Thanks a lot. Its working wonders...!!
    Once again, Im really sorry for the late reply.

  8. #8
    Forum Moderator Fotis1991's Avatar
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    Re: Find Duplicates and remove the duplicate entry comparing two columns

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