Mark Duplicate Entries With Formula
Nov 15, 2006
I am trying to create a column to match duplicate information, primarily numbers, so I can delete the duplicate information. Using the Find option is too time consuming. I am pasteing the new info above the previous weeks info. Some years ago I used a formula that would "Match" a range and I believe it would copy the duplicate in the empty column but it's been so long I am not certain nor do I remeber the formula. I've tried using the filter feature and looked at previous post but I am not familiar enough to know how to decipher the info given.
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Mar 19, 2009
I have a approx. 70 excel sheets with thousands of entries. Within a single sheet there are some duplicate entries (based on an account number). I find the duplicate entries by using the excel 2007 conditional formating and then sort by color to only show the duplicate entries. There are often hundreds of accounts that are duplicates. Sometimes there are more than 2 identical account duplicates (could be 3,4 or more). In each entry there is a number representing the rating of said account. These numbers differ within the duplicates. Example............
I am trying to find a formula that will choose a "winner" and enter a "W" based on the highest rating within the duplicate entries and then ideally assign an "L" to the loser duplicate account(s). Sometimes there is no rating, other times the rating could be the same in which case any account (does not matter) can be assigned a "W" and the others an "L"
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Jun 12, 2008
I am using the following macro to insert the word "Duplicate" in the first blank column next to a duplicate row. My data is sorted by the first column. Data Example:
12345 a
12345 a DUPLICATE
11111 b
23123 b
Here is the macro I am using and it does not work. It marks the first duplicate it finds then goes into an infinite loop. Any Idea where I went wrong?
Sub MarkDupes()
x = ActiveCell.Row
y = x + 1
Do While Cells(x, 1).Value <> ""
Do While Cells(y, 1).Value <> ""
If (Cells(x, 1).Value = Cells(y, 1).Value) Then
Cells(y, 3).Formula = "Duplicate"
Else
y = y + 1
End If
Loop
x = x + 1
y = x + 1
Loop
End Sub
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Apr 4, 2008
I need a formula (I'm not sure if its possible without using VB which I have found on another thread) that I can 'drag' down to the cell Bx (where x is variable) to extract unique entries in a list of values and then display them in a shorter, more concise list - like the 'Pick From List' function does but actually display these values in seperately in a column of cells.
Hope this is making sense.
So (hopefully) to elaborate:
A1:Ax = The list of values containing duplicates
B1:Bx = The list of only unique values from column A
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Aug 15, 2012
How do I set up a custom validation formula to prevent duplicate enties?
For example I I've already enter the song name 19 and Paul Hardcastle (BandName), how do I set it up where I can not enter that combination again on a row?
I was wanting to use a custom CountIF function but I could not get it to work.
A
B
Song
BandName
19
Paul Hardcastle
[Code] ....
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Dec 11, 2007
I have many wordlists, which have multiple entries in one column. I would like to mark up entires which appear more then once with numbers 1,2,3....The number should be put at the end of the word or ath the beginning.
Before Macro:
Column A
Love
Love
Long
Lonely
Lonely
Living
Living
After running the macro:
Column A
Love 1
Love 2
Long
Lonely 1
Lonely 2
Living 1
Living 2
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Jan 30, 2008
Excel 2007 User
Colum b:b I have values "x", "a", "b" and so on ....
But some time value x is on row 10 and row 2000
I want to mark that row on a color or something
Example:
Like a loop, So I found ...
A on cell b2
A on cell b24
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Feb 26, 2014
Attached is an example of an excel spreadsheet I have which details all the referrals created within my organisation over 2013. I want to be able to create two excel formulas which basically looks at a duplicate tag and then determines if the duplicate referral was created within 30 days of other referrals created for the same patient and then another formula to check to see if the duplicate referral is for the same medical condition. Also if possible I would love a third formula which would say check duplicate, 30 days and same condition and enter a "Yes" in a forth column.Referrals.xls
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Sep 24, 2009
I have been trying a number of different functions!
I have the following countif function that is searching a worksheet (Cases Closed) for the name John in Column O and excluding Solutions in column x. The problem I have is there are duplicates cases in Column C that are being counted two and three times.
Is there anyway to have the following function exclude duplicates records in Column C? Just count unique records in Column C?
=(COUNTIF('Cases Closed'!O:O,"John"))-(COUNTIFS('Cases Closed'!O:O, "John", 'Cases Closed'!X:X, "*Solution*"))
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Apr 23, 2013
excel.jpg
Basically I've made this up myself because what ill be working with has 100s if not 1000s of rows with many different product numbers that's quantities are different. What I've been able to do up to now is sort the spreadsheet by the product number so all the same rows are next to each other. My problem is however I need a speedy way of making these duplicate rows become one but add the total quantity basically everything in the left screenshot into the one on the right. What I've tried up to now is sorting them so there together and manually adding them up and putting them into one of the rows quantity, then delete the rest. takes to long. Another was to make a row underneath the rows I need into one but that takes more time than manually adding and deleting the rest.
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Jun 13, 2008
I'm working on a employee evaluation form. I'm using a Pass/Fail system.
I have a cell designated for PASS & one for FAIL. In these cells, I would put
"YES" if they passed, "YES" if they failed that section.
How can I prevent someone from mistakingly entering Yes in both cells?
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Jul 14, 2008
I am trying to find a macro that will clear duplicate entries in a column of data, and then move to the next column and repeat the process until it gets to a blank column.
There are blank cells between entries in a column. I need to keep the data unsorted as the cells are linked to others in the row, therefore I dont want to delete the cells, just clear the contents.
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Nov 24, 2009
I would like to check column B and if any of these values match values in column J hightlight the cell on the same row as the match on column E green. I don't know much about excel but this would be a tremendous help because i'm looking through quite a bit of data. I've tried using conditional formatting and i can't seem to get that to work for my needs. Let me know if you need anymore information.
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Feb 8, 2010
I have a table of data like this:
A , 1 , 1
B , 2 , 1
C , 3 , 4
D , 1 , 3
E , 3 , 3
I need to eliminate duplicate entries WITHIN a row. So, I need the table to become:
A , 1
B , 2 , 1
C , 3 , 4
D , 1 , 3
E , 3
Is there an easy way to do this for a large sample? Also, there are actually more like 8 columns of this data, if thats important.
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Dec 11, 2012
I've generated a sheet where, based on the total run hours of a generator set using a given fuel type, we can determine which engine to run on what fuel when. The problem I've run into is that if more than one engine has the same runtime, the chart returns just the lowest numbered engine and eliminates the remaining engine(s). What I'm trying to do is make it so that when this occurs, the suggested engines show up in numerical order. For example instead of 1, 1, and 1 showing up on the chart, something like 1, 2, and 5 will show when they all have 0 run hours. I've attached my chart below with some engines having the same runtimes. RunOrder.xlsx
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May 8, 2009
New here, I wanna do a "Prevent Duplicate Entries" into my column i try the following: http://www.mrexcel.com/articles/prev...duplicates.php
http://www.theexceladdict.com/_t/t040818.htm
They all work well but if I'm using copy and paste It doesn't work! why is tat so?
Second issue will be i'm wanna do prevent duplication for the whole column not just one cell.
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Feb 5, 2009
I have a spreadsheet that has account numbers listed multiple times. I need to eliminate all of the duplicate entries...Is there a formula for this...?
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May 25, 2009
=COUNTIF($A$1:$D$100,A1)=1
however I don't know how to change that to suit my needs (or even if it is at all possible to change it to suit my needs)
I will try my best to explain how my spreadsheet is set up as unfortunately I am at work and I can not use the method to show you the spreadsheet.
My spreadsheet:
I already have Data Validation in use from a list that I created. I use the same validation list in Columns C, E, G, I, K-BA
I also use validation list in other cells, and it is OK if these are duplicated throughout the row.
The only cells that should not contain duplicate information are the ones from C, E, G, I, K-BA
Basically I want to stop someone accidentally chosing the same option from the list within the same ROW.
Just in case it makes any difference I should let you know that I have already had help from the forum regarding macros for this same spreadsheet, here is the macro that is currently running just in case it makes a difference if there is an answer to my current problem.
Option Compare Text 'A=a, B=b, ... Z=z
Option Explicit
Private Sub Worksheet_Change(ByVal Target As Range)
Dim Cell As Range
Dim Rng1 As Range
On Error Resume Next
Set Rng1 = ActiveSheet.Cells.SpecialCells(xlCellTypeFormulas, 1)
On Error GoTo 0
If Rng1 Is Nothing Then
Set Rng1 = Range(Target.Address).........................
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Aug 24, 2006
I want to use (VBA) data vaildation to restrict duplicate entries.
Worksheet Name = "Metal Type"
NoDupe Cell = B15 (allowing text and numbers)
Range to check = (Sheet)="Metal Type" (Range)=A21:A100
Error = Message box "Enter Unique Name in Cell B15"
Then Exit Sub
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Sep 14, 2006
there are unique entries like AU0896 etc. that are repeated in my list.
my job is to find how many unique entries there are and add the count at the end so, basically if there are 6 AU0896 entries, then I must create a AU08966 value.
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Jan 22, 2007
In my spreadsheet, on ( sheet A) I pick up a value to a range (O2:O22) from other worksheet (sheet B), the value is validated when a cell in the same range but other column (A2:A10) reach a specific criteria.
But in the same column if the criteria is typed again I gone a have the same value on range( O ), and I dont want that, because this value represents a total for a day, and is to be added to other cell.
I'm using this, to pick up the data
Ex:
(A2:A10) Criteria
(O2:O10) value picked up
on SheetA, Sumif(sheetBA10:A40,A2,SheetBK10:K40)
How can I count only one of the values picked up from sheet B?
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Feb 14, 2007
Got a workbook with 4 worksheets and sometimes we need to cut and paste a row from one worksheet to another, now thats easy now as we are all human and sometimes it gets copied and we have duplicate logs.
Now each sheet has usually not got that many rows in it, but that spreadsheet is getting sent to the highest people in the company and any mistakes look poor.
What i'm looking for is a way that i can highligh any rows that a duplicated in each worksheet. I can do it in each worksheet using conditional formatting with something like = COUNTIF($A8:$A$20,A8)>1. but don't know how to check that is not on any other worksheet. On every worksheet only need to check Col A for the duplicate information
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Mar 7, 2007
Wihitn a large SS I have a column which has a number of entries that may include an amount of duplicate entries. Till now I have been using Sort and them manually deleting the duplicates is anyway that I can select just the Column and then without sorting go down and if a duplicate is found, then the duplicate would be deleted. Meant to say the dta is numeric.
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Mar 27, 2007
I have a spreadsheet which has data in column A & B. I trying to do an if statement to state "YES" if data in both A and B has been duplicated. EG 111 in (A) & 222 in (B) are a PAIR, im need an if statemnet in Column (C) to say if this PAIR are duplicated in these two columns return "YES". I have tried THREE different methods to do acheive this which are in the attached document. The main issue I am having is the iff statement is returning yes for some of the number when thye are completely different. I have used concatenate, & and tried to multiply the two values to try to make it unique. I have an example of each in the separate tabs.
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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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Apr 3, 2013
I'm trying to get data totals for multiple entries and haven't been able to figure out how to do this using a pivot table.
For example:
A B
Ben 2
Bill 1
Jane 3
Bill 4
Dave 7
Jane 4
Would make it
Ben 2
Bill 5
Jane 7
etc.
this list is 3700 cells long.
Is there an easy macro or another way of doing this? I want to generate a list that gives all data totals but just lists each persons name once. I treid attaching the file but it wont let me! here is the link... [URL]
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Apr 24, 2014
highlighting the duplicate entries in the same date comparing C:C data.
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Aug 15, 2008
Let's say I have two mailing lists, A and B.
A:
bob@bob.com
jeff@jeff.com
tom@tom.com
cindy@cindy.com
jose@jose.com
B:
fred@fred.com
jeff@jeff.com
angus@angus.com
cindy@cindy.com
chuck@chuck.com
Now I want to create list C, a modified version of list B, which is made up of everybody in list B, EXCEPT for those people who are also present in list A (in this case, Jeff and Cindy).
So basically list C should look like this:
C:
fred@fred.com
angus@angus.com
chuck@chuck.com
What would be the fastest and most efficient way to create list C?
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Jan 14, 2010
how i can set 'Data Validation' to stop me from entering duplicate values across multiple columns, i can set it for a single column i.e. A1 to A100 but i am after this but for something like A1 to H100.....?
I am currently using this formula in Data Validation:
=COUNTIF($A$1:$A$100,A1)=1
I need something to do this but for multiple columns.
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Jun 23, 2014
I have a userform created to enter clients information which by submitting goes to sheet1 ..
Now the challenge is i want to make sure that no duplicate entries are entered thru userform.
And if duplicate company name is entered then all the client details of the other fields of the userform shall display the values of previous entry so that i can edit the latest changes to the sheet.
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