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#1
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Counting Names in a Column, Ignoring Duplicates
Is there a way to count names in a column but have the formula ignore
duplicates? example: Column A John Smith John Smith Jane Doe Joe Smith the formula would give me a total of - 3 I appreciate any and all help. Thank you in advance. |
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#2
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Counting Names in a Column, Ignoring Duplicates
=SUM(1/COUNTIF(A1:A10,A1:A10))
and confirm as an array formula (use CNTRL-SHFT-ENTER rather than just ENTER) will display 3 for your example. -- Gary''s Student gsnu200710 "Bruce" wrote: Is there a way to count names in a column but have the formula ignore duplicates? example: Column A John Smith John Smith Jane Doe Joe Smith the formula would give me a total of - 3 I appreciate any and all help. Thank you in advance. |
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#3
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Counting Names in a Column, Ignoring Duplicates
This isn't working. When I enter the formula I get a "DIV/0" error.
"Gary''s Student" wrote: =SUM(1/COUNTIF(A1:A10,A1:A10)) and confirm as an array formula (use CNTRL-SHFT-ENTER rather than just ENTER) will display 3 for your example. -- Gary''s Student gsnu200710 "Bruce" wrote: Is there a way to count names in a column but have the formula ignore duplicates? example: Column A John Smith John Smith Jane Doe Joe Smith the formula would give me a total of - 3 I appreciate any and all help. Thank you in advance. |
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#4
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Counting Names in a Column, Ignoring Duplicates
That probably means there are empty cells within the range.
Try this (normally entered, not an array): =SUMPRODUCT((A1:A10<"")/COUNTIF(A1:A10,A1:A10&"")) Biff "Bruce" wrote in message ... This isn't working. When I enter the formula I get a "DIV/0" error. "Gary''s Student" wrote: =SUM(1/COUNTIF(A1:A10,A1:A10)) and confirm as an array formula (use CNTRL-SHFT-ENTER rather than just ENTER) will display 3 for your example. -- Gary''s Student gsnu200710 "Bruce" wrote: Is there a way to count names in a column but have the formula ignore duplicates? example: Column A John Smith John Smith Jane Doe Joe Smith the formula would give me a total of - 3 I appreciate any and all help. Thank you in advance. |
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#5
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Counting Names in a Column, Ignoring Duplicates
Thank you for your reply. Your formula is counting the names but it's not
ignoring duplicate names. Any other suggestions? "T. Valko" wrote: That probably means there are empty cells within the range. Try this (normally entered, not an array): =SUMPRODUCT((A1:A10<"")/COUNTIF(A1:A10,A1:A10&"")) Biff "Bruce" wrote in message ... This isn't working. When I enter the formula I get a "DIV/0" error. "Gary''s Student" wrote: =SUM(1/COUNTIF(A1:A10,A1:A10)) and confirm as an array formula (use CNTRL-SHFT-ENTER rather than just ENTER) will display 3 for your example. -- Gary''s Student gsnu200710 "Bruce" wrote: Is there a way to count names in a column but have the formula ignore duplicates? example: Column A John Smith John Smith Jane Doe Joe Smith the formula would give me a total of - 3 I appreciate any and all help. Thank you in advance. |
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#6
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Counting Names in a Column, Ignoring Duplicates
Biff:
Why is the &"" used (at the end) below? It still works without it (just experimenting here).. TIA, Jim May "T. Valko" wrote in message : That probably means there are empty cells within the range. Try this (normally entered, not an array): =SUMPRODUCT((A1:A10<"")/COUNTIF(A1:A10,A1:A10&"")) Biff "Bruce" wrote in message ... This isn't working. When I enter the formula I get a "DIV/0" error. "Gary''s Student" wrote: =SUM(1/COUNTIF(A1:A10,A1:A10)) and confirm as an array formula (use CNTRL-SHFT-ENTER rather than just ENTER) will display 3 for your example. -- Gary''s Student gsnu200710 "Bruce" wrote: Is there a way to count names in a column but have the formula ignore duplicates? example: Column A John Smith John Smith Jane Doe Joe Smith the formula would give me a total of - 3 I appreciate any and all help. Thank you in advance. |
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#7
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Counting Names in a Column, Ignoring Duplicates
Try leaving some empty cells in A1:A10.
JMay wrote: Biff: Why is the &"" used (at the end) below? It still works without it (just experimenting here).. TIA, Jim May "T. Valko" wrote in message : That probably means there are empty cells within the range. Try this (normally entered, not an array): =SUMPRODUCT((A1:A10<"")/COUNTIF(A1:A10,A1:A10&"")) Biff "Bruce" wrote in message ... This isn't working. When I enter the formula I get a "DIV/0" error. "Gary''s Student" wrote: =SUM(1/COUNTIF(A1:A10,A1:A10)) and confirm as an array formula (use CNTRL-SHFT-ENTER rather than just ENTER) will display 3 for your example. -- Gary''s Student gsnu200710 "Bruce" wrote: Is there a way to count names in a column but have the formula ignore duplicates? example: Column A John Smith John Smith Jane Doe Joe Smith the formula would give me a total of - 3 I appreciate any and all help. Thank you in advance. -- Dave Peterson |
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#8
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Counting Names in a Column, Ignoring Duplicates
Dave,
Your right - causing a cell to go blank does result in #DIV/0! But I don't get how th &"" addition prevents it!! Jim " wrote in message : Try leaving some empty cells in A1:A10. JMay wrote: Biff: Why is the &"" used (at the end) below? It still works without it (just experimenting here).. TIA, Jim May "T. Valko" wrote in message : That probably means there are empty cells within the range. Try this (normally entered, not an array): =SUMPRODUCT((A1:A10<"")/COUNTIF(A1:A10,A1:A10&"")) Biff "Bruce" wrote in message ... This isn't working. When I enter the formula I get a "DIV/0" error. "Gary''s Student" wrote: =SUM(1/COUNTIF(A1:A10,A1:A10)) and confirm as an array formula (use CNTRL-SHFT-ENTER rather than just ENTER) will display 3 for your example. -- Gary''s Student gsnu200710 "Bruce" wrote: Is there a way to count names in a column but have the formula ignore duplicates? example: Column A John Smith John Smith Jane Doe Joe Smith the formula would give me a total of - 3 I appreciate any and all help. Thank you in advance. -- Dave Peterson |
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#9
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Counting Names in a Column, Ignoring Duplicates
The &"" will make the empty cell look like a cell that had ="" in it--it won't
be empty--just a 0 length string. JMay wrote: Dave, Your right - causing a cell to go blank does result in #DIV/0! But I don't get how th &"" addition prevents it!! Jim " wrote in message : Try leaving some empty cells in A1:A10. JMay wrote: Biff: Why is the &"" used (at the end) below? It still works without it (just experimenting here).. TIA, Jim May "T. Valko" wrote in message : That probably means there are empty cells within the range. Try this (normally entered, not an array): =SUMPRODUCT((A1:A10<"")/COUNTIF(A1:A10,A1:A10&"")) Biff "Bruce" wrote in message ... This isn't working. When I enter the formula I get a "DIV/0" error. "Gary''s Student" wrote: =SUM(1/COUNTIF(A1:A10,A1:A10)) and confirm as an array formula (use CNTRL-SHFT-ENTER rather than just ENTER) will display 3 for your example. -- Gary''s Student gsnu200710 "Bruce" wrote: Is there a way to count names in a column but have the formula ignore duplicates? example: Column A John Smith John Smith Jane Doe Joe Smith the formula would give me a total of - 3 I appreciate any and all help. Thank you in advance. -- Dave Peterson -- Dave Peterson |
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