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Excel/Working with FREQUENCY Formula

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Question
Good day, Mr. Phillips!

I'm using Excel 2010.

I'm working on a simple spreadsheet which tracks Data-Entry from a handful of employees.  The data includes:

COLUMN A = EMPLOYEE NAME
COLUMN B = CLAIM #

The dilemma:  Some claim numbers repeat in column B. A claim could consist of 3 rows, but it is still considered to be 1 claim because the claim number is the same.

My question:  How to obtain a unique claim count from rows B2:B40000 per employee on Column A.

Thank you in advance!!!

Rob

Answer
Hello Rob,

Are you asking for a count of the unique Employee Names in column A? If so, you can use

=SUMPRODUCT((A2:A4000<>"")/COUNTIF(A2:A4000,A2:A4000&""))

Or are you wanting to count the number of unique values in column B for that corresponding value in column A? If so, it is a more complex array formula that is needed

=SUM(--(FREQUENCY(IF($A$2:$A$4000=$A2,MATCH($B$2:$B$400,$B$2:$B$400,0)),ROW(INDIRECT("1:"&ROWS($B$2:$B$400))))>0))  
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Bob Phillips

Expertise

Can - VBA, Functions and formulas, PowerPivot, conditional formatting, data validation, charting

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I have been using Excel for in excess of 20 yeras, and I am a 9 year Microsoft MVP

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PASS UK Developer Group SQL Soton SQL FAQ

Education/Credentials
BSc Mathematics

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Microsoft MVP since 2005

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