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#1
November 11th, 2009, 10:53 AM
posted to microsoft.public.excel.misc
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Calc duplicates
Hi,
I need function to calculating duplicates, how I create this? A1: 1 A2: 2 A3: 2 A4: 3 A5: 3 A6: 3 A7: 4 A8: 5 Example answers: Duplicates value A9: 3 unique values A10: 5 This is same functions that tool remove duplicats, but i haveto do this automatically. 
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#2
November 11th, 2009, 11:20 AM
posted to microsoft.public.excel.misc
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Calc duplicates
Check your previous post
--In cell A8 =MAX(FREQUENCY(A1:A7,A1:A7)) --In cell A9 =SUMPRODUCT((A1:A7"")/COUNTIF(A1:A7,A1:A7&"")) Incase your data do not have any blank entries you can try the below formula =SUMPRODUCT(1/COUNTIF(A1:A7,A1:A7)) If this post helps click Yes --------------- Jacob Skaria "backmara" wrote: Hi, I need function to calculating duplicates, how I create this? A1: 1 A2: 2 A3: 2 A4: 3 A5: 3 A6: 3 A7: 4 A8: 5 Example answers: Duplicates value A9: 3 unique values A10: 5 This is same functions that tool remove duplicats, but i haveto do this automatically.
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#3
November 11th, 2009, 11:38 AM
posted to microsoft.public.excel.misc
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Calc duplicates
Oops
A8 should be =COUNTA(A1:A7)-SUMPRODUCT((A1:A7"")/COUNTIF(A1:A7,A1:A7&"")) If this post helps click Yes --------------- Jacob Skaria "Jacob Skaria" wrote: Check your previous post --In cell A8 =MAX(FREQUENCY(A1:A7,A1:A7)) --In cell A9 =SUMPRODUCT((A1:A7"")/COUNTIF(A1:A7,A1:A7&"")) Incase your data do not have any blank entries you can try the below formula =SUMPRODUCT(1/COUNTIF(A1:A7,A1:A7)) If this post helps click Yes --------------- Jacob Skaria "backmara" wrote: Hi, I need function to calculating duplicates, how I create this? A1: 1 A2: 2 A3: 2 A4: 3 A5: 3 A6: 3 A7: 4 A8: 5 Example answers: Duplicates value A9: 3 unique values A10: 5 This is same functions that tool remove duplicats, but i haveto do this automatically.
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#4
November 11th, 2009, 12:04 PM
posted to microsoft.public.excel.misc
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Calc duplicates
Try this…
In B1 cell apply the below formula =IF(COUNTIF($A$1:$A$8,A1)1,"",1) Now copy the B1 cell and paste it upto B8. In A9 Use this formula =SUM(B1:B8) OR =COUNT(B1:B8) In A10 use this formula =COUNT(A1:A8)-SUM(B1:B8) OR =COUNT(A1:A8)-COUNT(B1:B8) I don’t know whether this is the exact method is used for this, just I have given my suggestion… If this post helps, Click Yes! -------------------- (Ms-Exl-Learner) -------------------- "backmara" wrote: Hi, I need function to calculating duplicates, how I create this? A1: 1 A2: 2 A3: 2 A4: 3 A5: 3 A6: 3 A7: 4 A8: 5 Example answers: Duplicates value A9: 3 unique values A10: 5 This is same functions that tool remove duplicats, but i haveto do this automatically.
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