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Count unique values only, over two columns in the same row

  1. #1
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    Count unique values only, over two columns in the same row

    Good day all,

    I have a spreadsheet where I need a formula to count unique values only, where the date (Column B) a ID number (Column D) are different. Thanks in advance for any help, have a great day!

    Marco

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    Forum Guru Tony Valko's Avatar
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    Re: Count unique values only, over two columns in the same row

    Not real clear.

    Do you want to count the unique ID numbers for a specific date?
    Biff
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    Let's Go Pens. We Want The Cup.

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    Re: Count unique values only, over two columns in the same row

    Work Fine only for Unique ID paste this in Sheet D2

    Use Ctrl+Shift+Enter after pasting the formula
    =IFERROR(INDEX(Sheet1!D1:D14,MATCH(0,COUNTIF(Sheet2!$D$1:D1,Sheet1!D1:D14),0)),"")

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    Re: Count unique values only, over two columns in the same row

    Sorry for the poor explanation,

    I examine a product numerous time throughout the day & may make up to 10 notes (rows) on its progression, i need this to calculate as 1 inspection for that entire day not 10 on that particular product ID, however on day 2 I may perform the same amount on inspections, I now need this to calculate 2 inspections not 20, basically if the product ID is repeated in the same day to only count it once, hope this makes sense? Thanks again for your time

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    Re: Count unique values only, over two columns in the same row

    Try this array formula**:

    =SUM(IF(FREQUENCY(MATCH(B2:B20&D2:D20,B2:B20&D2:D20,0),ROW(B2:B20)-ROW(B2)+1),1))

    ** array formulas need to be entered using the key
    combination of CTRL,SHIFT,ENTER (not just ENTER).
    Hold down both the CTRL key and the SHIFT key
    then hit ENTER.

    Adjust the ranges to suit.

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    Re: Count unique values only, over two columns in the same row

    Hi Tony,

    Works like a charm, can't thank you enough!

  7. #7
    Forum Guru Tony Valko's Avatar
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    Re: Count unique values only, over two columns in the same row

    You're welcome. Thanks for the feedback!

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