Excel: how to count and group rows











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I have an Excel file with Column A and Column B. Both have people names (Elizabeth, John, Michael and Robert).



I need to count each name of Column A and count each name of Column B. And then I need to show each name (Name column) with the difference that I counted before (Difference column).



In databases it is called Group By.



I made this example so it can be easier to explain. It has less than 10 rows but I will use it with a file that has 7000 rows:



Example using LibreOffice










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  • 1




    Is the difference always going to be Count A - Count B. Is Column B always a subset of Column A? Is there a possibility that item exists in Column B only but not in A? In that case how do you want to show the results? Explore COUNTIF Function and see if it will work here to solve this.
    – pat2015
    Nov 30 at 0:36












  • To add to pat2015's questions: Are the names always aggregated and sorted alphabetically as in the example? Do all names always appear in both columns? Is the col A count always >= col B count? If not, do you care about negative results or do you want the absolute difference? What version of what application are you using?
    – fixer1234
    Nov 30 at 4:42










  • Also, do you have the list of unique names for col D, or does the solution need to generate that?
    – fixer1234
    Nov 30 at 9:38















up vote
-3
down vote

favorite












I have an Excel file with Column A and Column B. Both have people names (Elizabeth, John, Michael and Robert).



I need to count each name of Column A and count each name of Column B. And then I need to show each name (Name column) with the difference that I counted before (Difference column).



In databases it is called Group By.



I made this example so it can be easier to explain. It has less than 10 rows but I will use it with a file that has 7000 rows:



Example using LibreOffice










share|improve this question


















  • 1




    Is the difference always going to be Count A - Count B. Is Column B always a subset of Column A? Is there a possibility that item exists in Column B only but not in A? In that case how do you want to show the results? Explore COUNTIF Function and see if it will work here to solve this.
    – pat2015
    Nov 30 at 0:36












  • To add to pat2015's questions: Are the names always aggregated and sorted alphabetically as in the example? Do all names always appear in both columns? Is the col A count always >= col B count? If not, do you care about negative results or do you want the absolute difference? What version of what application are you using?
    – fixer1234
    Nov 30 at 4:42










  • Also, do you have the list of unique names for col D, or does the solution need to generate that?
    – fixer1234
    Nov 30 at 9:38













up vote
-3
down vote

favorite









up vote
-3
down vote

favorite











I have an Excel file with Column A and Column B. Both have people names (Elizabeth, John, Michael and Robert).



I need to count each name of Column A and count each name of Column B. And then I need to show each name (Name column) with the difference that I counted before (Difference column).



In databases it is called Group By.



I made this example so it can be easier to explain. It has less than 10 rows but I will use it with a file that has 7000 rows:



Example using LibreOffice










share|improve this question













I have an Excel file with Column A and Column B. Both have people names (Elizabeth, John, Michael and Robert).



I need to count each name of Column A and count each name of Column B. And then I need to show each name (Name column) with the difference that I counted before (Difference column).



In databases it is called Group By.



I made this example so it can be easier to explain. It has less than 10 rows but I will use it with a file that has 7000 rows:



Example using LibreOffice







microsoft-excel worksheet-function libreoffice-calc






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 30 at 0:12









Roby Sottini

974




974








  • 1




    Is the difference always going to be Count A - Count B. Is Column B always a subset of Column A? Is there a possibility that item exists in Column B only but not in A? In that case how do you want to show the results? Explore COUNTIF Function and see if it will work here to solve this.
    – pat2015
    Nov 30 at 0:36












  • To add to pat2015's questions: Are the names always aggregated and sorted alphabetically as in the example? Do all names always appear in both columns? Is the col A count always >= col B count? If not, do you care about negative results or do you want the absolute difference? What version of what application are you using?
    – fixer1234
    Nov 30 at 4:42










  • Also, do you have the list of unique names for col D, or does the solution need to generate that?
    – fixer1234
    Nov 30 at 9:38














  • 1




    Is the difference always going to be Count A - Count B. Is Column B always a subset of Column A? Is there a possibility that item exists in Column B only but not in A? In that case how do you want to show the results? Explore COUNTIF Function and see if it will work here to solve this.
    – pat2015
    Nov 30 at 0:36












  • To add to pat2015's questions: Are the names always aggregated and sorted alphabetically as in the example? Do all names always appear in both columns? Is the col A count always >= col B count? If not, do you care about negative results or do you want the absolute difference? What version of what application are you using?
    – fixer1234
    Nov 30 at 4:42










  • Also, do you have the list of unique names for col D, or does the solution need to generate that?
    – fixer1234
    Nov 30 at 9:38








1




1




Is the difference always going to be Count A - Count B. Is Column B always a subset of Column A? Is there a possibility that item exists in Column B only but not in A? In that case how do you want to show the results? Explore COUNTIF Function and see if it will work here to solve this.
– pat2015
Nov 30 at 0:36






Is the difference always going to be Count A - Count B. Is Column B always a subset of Column A? Is there a possibility that item exists in Column B only but not in A? In that case how do you want to show the results? Explore COUNTIF Function and see if it will work here to solve this.
– pat2015
Nov 30 at 0:36














To add to pat2015's questions: Are the names always aggregated and sorted alphabetically as in the example? Do all names always appear in both columns? Is the col A count always >= col B count? If not, do you care about negative results or do you want the absolute difference? What version of what application are you using?
– fixer1234
Nov 30 at 4:42




To add to pat2015's questions: Are the names always aggregated and sorted alphabetically as in the example? Do all names always appear in both columns? Is the col A count always >= col B count? If not, do you care about negative results or do you want the absolute difference? What version of what application are you using?
– fixer1234
Nov 30 at 4:42












Also, do you have the list of unique names for col D, or does the solution need to generate that?
– fixer1234
Nov 30 at 9:38




Also, do you have the list of unique names for col D, or does the solution need to generate that?
– fixer1234
Nov 30 at 9:38










2 Answers
2






active

oldest

votes

















up vote
2
down vote



accepted










Try this formula:



=COUNTIF(A:A,D2)-COUNTIF(B:B,D2)


enter image description here






share|improve this answer

















  • 1




    How do you get the list of unique names in col D? The OP describes 7000 rows and doesn't mention having a list of the unique names (actually says both columns are needed). The safe approach is to either ask for clarification or include generating the list in the solution.
    – fixer1234
    Nov 30 at 9:37




















up vote
1
down vote













To Count & Group Rows do the followings:



enter image description here



How it works:





  1. To create List of Unique Names, write this Array formula in Cell D3, finish with Ctrl+Shift+Enter & fill down.



       {=IFERROR(IFERROR(INDEX($A$3:$A$11, MATCH(0, COUNTIF($D$2:D2, $A$3:$A$11), 0)), INDEX($B$3:$B$8, MATCH(0, COUNTIF($D$2:D2, $B$3:$B$8), 0))), "")}



  2. To count the difference, write this formula in Cell E3 & fill down.



    =COUNTIF($A$3:$A$11,D3)-COUNTIF($B$3:$B$8,D3)



Note, Formula 2 in my post is inspired from @Lee's Answer.



Adjust cell references in the Formula as needed.






share|improve this answer























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    2 Answers
    2






    active

    oldest

    votes








    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes








    up vote
    2
    down vote



    accepted










    Try this formula:



    =COUNTIF(A:A,D2)-COUNTIF(B:B,D2)


    enter image description here






    share|improve this answer

















    • 1




      How do you get the list of unique names in col D? The OP describes 7000 rows and doesn't mention having a list of the unique names (actually says both columns are needed). The safe approach is to either ask for clarification or include generating the list in the solution.
      – fixer1234
      Nov 30 at 9:37

















    up vote
    2
    down vote



    accepted










    Try this formula:



    =COUNTIF(A:A,D2)-COUNTIF(B:B,D2)


    enter image description here






    share|improve this answer

















    • 1




      How do you get the list of unique names in col D? The OP describes 7000 rows and doesn't mention having a list of the unique names (actually says both columns are needed). The safe approach is to either ask for clarification or include generating the list in the solution.
      – fixer1234
      Nov 30 at 9:37















    up vote
    2
    down vote



    accepted







    up vote
    2
    down vote



    accepted






    Try this formula:



    =COUNTIF(A:A,D2)-COUNTIF(B:B,D2)


    enter image description here






    share|improve this answer












    Try this formula:



    =COUNTIF(A:A,D2)-COUNTIF(B:B,D2)


    enter image description here







    share|improve this answer












    share|improve this answer



    share|improve this answer










    answered Nov 30 at 9:30









    Lee

    80927




    80927








    • 1




      How do you get the list of unique names in col D? The OP describes 7000 rows and doesn't mention having a list of the unique names (actually says both columns are needed). The safe approach is to either ask for clarification or include generating the list in the solution.
      – fixer1234
      Nov 30 at 9:37
















    • 1




      How do you get the list of unique names in col D? The OP describes 7000 rows and doesn't mention having a list of the unique names (actually says both columns are needed). The safe approach is to either ask for clarification or include generating the list in the solution.
      – fixer1234
      Nov 30 at 9:37










    1




    1




    How do you get the list of unique names in col D? The OP describes 7000 rows and doesn't mention having a list of the unique names (actually says both columns are needed). The safe approach is to either ask for clarification or include generating the list in the solution.
    – fixer1234
    Nov 30 at 9:37






    How do you get the list of unique names in col D? The OP describes 7000 rows and doesn't mention having a list of the unique names (actually says both columns are needed). The safe approach is to either ask for clarification or include generating the list in the solution.
    – fixer1234
    Nov 30 at 9:37














    up vote
    1
    down vote













    To Count & Group Rows do the followings:



    enter image description here



    How it works:





    1. To create List of Unique Names, write this Array formula in Cell D3, finish with Ctrl+Shift+Enter & fill down.



         {=IFERROR(IFERROR(INDEX($A$3:$A$11, MATCH(0, COUNTIF($D$2:D2, $A$3:$A$11), 0)), INDEX($B$3:$B$8, MATCH(0, COUNTIF($D$2:D2, $B$3:$B$8), 0))), "")}



    2. To count the difference, write this formula in Cell E3 & fill down.



      =COUNTIF($A$3:$A$11,D3)-COUNTIF($B$3:$B$8,D3)



    Note, Formula 2 in my post is inspired from @Lee's Answer.



    Adjust cell references in the Formula as needed.






    share|improve this answer



























      up vote
      1
      down vote













      To Count & Group Rows do the followings:



      enter image description here



      How it works:





      1. To create List of Unique Names, write this Array formula in Cell D3, finish with Ctrl+Shift+Enter & fill down.



           {=IFERROR(IFERROR(INDEX($A$3:$A$11, MATCH(0, COUNTIF($D$2:D2, $A$3:$A$11), 0)), INDEX($B$3:$B$8, MATCH(0, COUNTIF($D$2:D2, $B$3:$B$8), 0))), "")}



      2. To count the difference, write this formula in Cell E3 & fill down.



        =COUNTIF($A$3:$A$11,D3)-COUNTIF($B$3:$B$8,D3)



      Note, Formula 2 in my post is inspired from @Lee's Answer.



      Adjust cell references in the Formula as needed.






      share|improve this answer

























        up vote
        1
        down vote










        up vote
        1
        down vote









        To Count & Group Rows do the followings:



        enter image description here



        How it works:





        1. To create List of Unique Names, write this Array formula in Cell D3, finish with Ctrl+Shift+Enter & fill down.



             {=IFERROR(IFERROR(INDEX($A$3:$A$11, MATCH(0, COUNTIF($D$2:D2, $A$3:$A$11), 0)), INDEX($B$3:$B$8, MATCH(0, COUNTIF($D$2:D2, $B$3:$B$8), 0))), "")}



        2. To count the difference, write this formula in Cell E3 & fill down.



          =COUNTIF($A$3:$A$11,D3)-COUNTIF($B$3:$B$8,D3)



        Note, Formula 2 in my post is inspired from @Lee's Answer.



        Adjust cell references in the Formula as needed.






        share|improve this answer














        To Count & Group Rows do the followings:



        enter image description here



        How it works:





        1. To create List of Unique Names, write this Array formula in Cell D3, finish with Ctrl+Shift+Enter & fill down.



             {=IFERROR(IFERROR(INDEX($A$3:$A$11, MATCH(0, COUNTIF($D$2:D2, $A$3:$A$11), 0)), INDEX($B$3:$B$8, MATCH(0, COUNTIF($D$2:D2, $B$3:$B$8), 0))), "")}



        2. To count the difference, write this formula in Cell E3 & fill down.



          =COUNTIF($A$3:$A$11,D3)-COUNTIF($B$3:$B$8,D3)



        Note, Formula 2 in my post is inspired from @Lee's Answer.



        Adjust cell references in the Formula as needed.







        share|improve this answer














        share|improve this answer



        share|improve this answer








        edited Nov 30 at 13:08

























        answered Nov 30 at 11:08









        Rajesh S

        3,6271522




        3,6271522






























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