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Formulas to count UNIQUE values.

  1. #1
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    Formulas to count UNIQUE values.

    I have a table with 3 columns, Song, Artist and PlayList and I need some additional counting formulas:

    1. Formula to count the total number of unique entries in the Artist column.

    2. Formula to count the number of unique entries in the Artist column where the first letter of each Artist entry is 'A', 'B', or 'C'.

    3. Formula to count the number of unique entries in the Artist column where the first letter of each Artist entry is 'A', 'B', or 'C' AND
    the Corresponding entry in the PlayList column is 'X'.

    I have attached a sample workbook.
    Attached Files Attached Files
    Last edited by silkcityflorida; 01-17-2013 at 06:46 PM.

  2. #2
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    Re: Formulas to count UNIQUE values.

    It may be not the neatest way but it does the job!!!

    Please refer to the columns j,k,l and copy the formulas down.

    It assumes the entries are sorted by artist
    Attached Files Attached Files

  3. #3
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    Re: Formulas to count UNIQUE values.

    I appreciate the effort, but I will hold out for a "neater" way to do it. First, the data, if sorted at all, will be sorted by song name, and second, the actual spreadsheet I will be using this in is much wider, and with such "interim" result cells, there will be no guarantee the user will remember to deal with those as the list grows because they will be off the right side of the screen.

  4. #4
    Forum Expert Tony Valko's Avatar
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    Re: Formulas to count UNIQUE values.

    Try these...

    This formula entered in E2:

    =SUMPRODUCT(1/COUNTIF(B2:B17,B2:B17))

    This array formula** entered in E7:

    =SUM(IF(FREQUENCY(IF(LEFT(B2:B17)={"A","B","C"},MATCH(B2:B17,B2:B17,0)),ROW(B2:B17)-ROW(B2)+1),1))

    This array formula** entered in E12:

    =SUM(IF(FREQUENCY(IF(LEFT(B2:B17)={"A","B","C"},IF(C2:C17="X",MATCH(B2:B17,B2:B17,0))),ROW(B2:B17)-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.
    Biff
    Microsoft MVP Excel
    Keep It Simple Stupid

    Let's Go Pens. We Want The Cup.

  5. #5
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    Re: Formulas to count UNIQUE values.

    Excellent! Thanks you. I never can seem to get my head around such formulas!

  6. #6
    Forum Expert Tony Valko's Avatar
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    Re: Formulas to count UNIQUE values.

    You're welcome. Thanks for the feedback!

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