# Counting Duplicate Numbers

Jul 20, 2006
I use the following formula to count duplicate random numbers on Row 35 that occurred on Row 34:

=SUMPRODUCT(--(D35:I36<>""))-SUMPRODUCT((D35:I36<>"")/COUNTIF(D35:I36,D35:I36&""))

I would like to continue to compare against Row 34 and count duplicates on other rows (ex. Row 36 or Row 37) one row at a time.

In addition is it possible to visually identify the duplicates through conditional formatting (ex. Bold or color change) or other ways?

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Apr 21, 2013

i want Counting duplicate numbers in a string for example Counting 2

22241278-------- Count(2)=4

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Nov 19, 2009

I'm trying to find a code that will count duplicate values in columns B,C and D and put the outcomes in B1, C1 and D1.

If've tried conditional formatting but can't count any formatted cells with duplicate values.

Any Ideas?

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Jan 25, 2004

I have a collumn with lots of different text values some repeated. how can i count all these values so that it only counts each value once.

e.g

if in cell A1 i have = "apples"

and in cell A2 i have "apples"

and in cell A3 i have "Pear"

i want this to return the value 2 not 3, make sense?

how can this be done via a formulae or macro?

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Feb 4, 2007

I have a 2 columns with lots of different text values some repeated. Again Colum B has a Yes/No anwer input, how can i count all these values in Colum A based on whether the Column B value equals yes.

Column A / Company Name_____________Column B / Reply

Company X ___________________________Yes

Company X ___________________________No

Company Y ___________________________Yes

Company Z ___________________________Yes

Company Z ___________________________Yes

What I want the formula to do is count all the Yes occurrences in column B and Only one distinct occurence of a Company

eg

From the above I want to see 3 as a result as opposed to 4 as they are two Yes entries for Company Z

I have been able to use the SUMPRODUCT function but dont have the knowledge to build upon this to take the second column value into consideration.

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May 21, 2007

I am trying to determine wether there are duplicate entries within a range and have then counted also. Example:

I have a list if zip codes and I want to find out how many of each zip code are there. If I have a list with:

12345

12345

12345

12346

12346

12347

I want to have it tell me there are 3 of "12345" and 2 of "12346", possibly next to the entry?

12345 3

12345

12345

12346 2

12346

12347

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Mar 10, 2009

I'm on Excel 2003 and have a sheet to track people who have read my emails. I want to know the answers to the questions below. I've included a fake sample to show what I'm looking at. The number of cells in each column is much higher and not the same per column. I've tried variations of MATCH, VLOOKUP, SUMPRODUCT, etc. but haven't found a good way to set up a formula.....

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Mar 22, 2013

I am trying to make a Macro that will search through a folder on my PC and look for file names with a string such as shown below:

The issue i am facing is that many of the files have duplicates.

I need it to check to see if the number of duplicates in Column E for each file name have the same amount of duplicate files in the actual folder... and if they don't I need the rows(s) highlighted Yellow.

Example: Say I run this macro.. and there are only 2 files in the folder that start with "BH1003".. as there is 3 instances in column E.. the 3 rows that have "BH1003" in them should all highlight..

I have added my code so far below also, but it only highlights each row Yellow if it finds an instance of the string in column E.. I don't know how to get it to count and compare....

Code:

Private Sub CommandButton3_Click()

'Search Folder for files - Highlight Yellow if Exists - Highlight Red if NOT Exists.

Dim r As Long, lastRow As Long

With ThisWorkbook.ActiveSheet

'get last row

[Code]...

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May 21, 2013

I have a Workbook with multiple sheets with Data in them. I would like to Count the number of duplicate values between the sheets.

For example.

Sheet one has a list of case references Person A is dealing with.

Sheet two has a another list of case references Person B is dealing with however the also have a list of case reference's they are monitoring as part of a project.

Sheet 3 has got the total number of case references each Person is dealing with, it also contain the total number of cases Person A&B together are dealing with. however i need to find the total number of cases Person B is monitoring that Person A also has so that the total number of cases is the true number of total cases with no duplicates involved.

(References begin with VB then have a string of numbers afterwards and I would like to know the total number of cases the Person B is monitoring as well so these need ot be calculated).

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Oct 24, 2007

In my rows, I have 0, -1 and 1 and wanted to know how many 1s, 0s and -1s I have. So in the example below, there are 4 -1s, 4 0s and 3 1s.

-1

1

0

-1

1

0

-1

1

0

-1

0

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Jun 13, 2009

Is there an easy way of counting odd or even numbers in a row? I can't figure it out on countif, isodd, odd, count etc.

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Oct 25, 2006

I am trying to find a way of counting decimal numbers if, say, they begin with 3.

For example, I might have 3.33, 4.1, 3.0, 5.65, 3.8, 3.7, 3.33, etc.

I want to count anything that begins with 3 (3.33, 3.0, etc). Using the data above the answer would be 5 ...5 numbers that begin with a 3.

If this possible?

There doesn't appear to be the facility with Countif. I don't want to truncate the data (the spreadsheet already is quite extensive). I have tried using =SUMPRODUCT((Y$2:Y$170 >=3)*(Y$2:Y$170<=3.9)) but this will return an answer only when there is a complete set of data within cells within the range.

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Aug 5, 2009

I have two columns with item code numbers in them

if any numbers from column 1 are duplicated in column 2, i want them to be highlighted automatically, maybe with a coloured cell or something?

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Mar 3, 2012

With exception to Duplicate numbers on a single row, or column. I am hoping I can check an entire row against other rows, to see idf the same number are repeated.

Unlike the Lotto, this is about Safety boxes, where I have sequential numbering such as the following:

Row2:5,11,15,16,19,35

Row16: 2,8,12,17,18,33,

Row102: 2,6,8,14,22,44

Row645: 2,6,8,14,22,44

Notice rows 102 and 645

I can't believe all of our staff missed the duplicate lines 102 and 645 of duplicate Although these row numbers were rows 2, 16, 102, & 245

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Jul 18, 2013

I have data and i would like to number duplicates next to the data so that i can append the cells that are duplicates easily. The data i have is in the following cell format -

Red

Red

Red

Green

Green

Green

Green

Blue

Yellow

Yellow

What i would like is to output serial next to the cells based on the cell uniqueness as in -

Red 1

Red 2

Red 3

Green 1

Green 2

Green 3

Green 4

Blue 1

Yellow 1

Yellow 2

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Sep 28, 2012

I need a formula that will count the number of consecutive 3 0's from the following Data series. There are 22 such events.

0

6

15

[Code].....

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Nov 28, 2011

Is there a formula I can use to count the number of unique claim numbers in an excel column?

Is there a way that I can format a cell containing a number containing a decimal point to a number without a decimal point. Example, 205.55 to 20555

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Jan 31, 2013

I wish to count the "number" of numbers in a cell i.e.

Cell A1 has the following data: 12 25 25

This should return 3

Simillarly 4546546545646456 1 2

Should also return 3

I will have data such as the above in a row so i need the count to be able to count a range as opposed to the single cell example above.

Furthermore I need a separate count to count the number or red numbers in a cell. Same parameters as above.

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Jul 1, 2014

I have 2 Columns. One column represents calendar dates and the other column represents numbers between 0 and 7.

Therea re 10000 rows in this table.

I would like to count how many consecutive days I observe certain numbers numbers ( i.e 3+, 4+, 5+, etc)

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Oct 16, 2007

I have a column that contains numbers relating to processing days. I need formulas that I can put into a results table that will show me processing timescales. I need to count up the number of 0s, 1s, 2s, 3s....9s and any numbers that are 10 and above. The column also contains #Value! errors and any formulas I have tried won't work with the error code and are also counting blank cells as 0 whereas I only want to count the cells in which 0 was typed in.

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May 5, 2006

in a2:a277 i have numbers 1-10, randomly. in m2:m277 i have numbers 0-4, also randomly. i want to count how many of the 1s in column a have a corresponding 0, how many have a 1, how many have a 2, etc. if you just give me one formula i can manipulate it for all 40 outputs i need,

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Apr 3, 2014

I realise there are a few threads on similar topics but I can't seem to get any of them to work for my scenario. I have two columns with a list of numbers in each. I'm after a function that will scan column A and identify any numbers that also appear in column B. If possible I would like it to then generate a list of these in say, column C.

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May 9, 2013

I would like a macro to highlight duplicate numbers in Col A in Sheet1.

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Jul 30, 2008

I got some functions from some of you to spot duplicate bar codes

the first function was this =IF(ISERROR(MATCH(D5;$D6:D$65536;0));"";D5)

the second next to it this =COUNTIF($D:$D;$D5)

and the third: =IF(COUNTIF(D:D;D5)>1;"DUPLICATE";"")

well fine but now I dlike to add the numbers of the 2 cells of those duplicate codes. In some cases I have more than 2 identical bar codes.

Example

4905524490831DPFV900B.CEU0649055244908312DUPLICATE

4905524490831DPFV900B.CEU502DUPLICATE

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Nov 20, 2008

I have in my sheet from C13 to C350 many serial numbers which I manually type them in. These serials are 5 digit numbers, and I was just wondering if there's a function or formula that will not allow duplicate numbers in that column.

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Jun 9, 2009

I have 2 columns I need to compare, in column A a list of ref numbers aprrox 62000 rows, with some duplicates. In column C a list of ref numbers 38000 rows again with some duplicates.

I need to be able to compare Column C to Column A. I need to identify the first instance of a ref number that matches from C to A so that I can delete it. The second instance of this ref number I would like keep. I have tried the following with no luck.

=if(countif($C$2:C38000,A2)>1,"Duplicate","Unique")

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Jun 16, 2009

I need to remove duplicate Part Numbers where other information in the cells will not match. In the following two examples, the only difference is that the COMP_ID: number is different, but for my purposes, the second example is a duplicate and needs to be removed. I have hundreds of rows of this type of information with various part numbers: ...

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Feb 24, 2010

I have a column where i have to put document numbers, Column A, i want to avoid accidently capturing something twice, so the only thing thats unique is the document number. Can i get an error if i try to enter the same number twice?

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Dec 19, 2011

Any way to make a formula that would "COUNT" the number of positive values from 0 to 999 (no negatives and nothing higher than 999). Another way of saying it would be values greater than or equal to 0 but not more than 999?

For example. If you had the following numbers in a list, I would like a formula that would only count the 3 numbers that are less than 1000 but equal to or greater than 0.

$370 $1,070 $1,400 $300 $1,160 ($4,720) $1,080 $1,170 $30 $1,050 $1,150

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Oct 31, 2013

First, I have to say that I am very weak in VBA.

I have a section of code where I need to count the cells from J through BF in rows 42 through 76. The code snippet I'm working on is:

Code:

For r = 42 To 76 Step 1

if Application.WorksheetFunction.Count(Range("J" & r:"BP" & r)) = 0 Then

Err = Err + 1

[Code]....

The code checker highlights the ':' in the 'Range .... = 0' with the message "Expected: list separator or )".

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