Identify Duplicates In A List
Oct 13, 2006
I need to identify duplicates in a list and have the foilowing formula:
=IF( COUNTIF(range1,A2)>1,"Duplicate","")
This works ok but i have a further condition which i dont know how to factor into the formula. I think i could write some vba to determine the dupes but i was hoping to avoid this as im sure it will take me an hour or so. Duplicates are identified at the moment as being identical numbers in column "amount", i now need to specify duplicates as being identical numbers in this range where there is at least one row with no pay date filled in in col "paydate"
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Jan 12, 2010
I have a list of objects:
A
B
C
D
X
D
A
F
G
H
I know how to get a unique list. How do I identify those that are in the list more than once and how many times it is in the list?
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Feb 24, 2014
- I have a list of 8 digit numbers in Column A sorted small to large
- Some of the 8 digit numbers are duplicated.
- In Column B I would like to have more of a combination of countif and listing the duplicates in order (1 for the first dup in the column, 2 for the 2nd, etc.)
Example of what I'd like to see
Column A Column B
123456781
123456782
132546841
685036541
985413561
985413562
985413563
As you can see if the number in column A is on the list one time column B would show a 1If the number is shown two times (the first time it shows up will show a 1 the second will show a 2) If the number is shown 3 times (the first time it shows up will show a 1 the second will show a 2, the third tiem would show a 3)
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Nov 9, 2009
I have two worksheets one worksheet contains Insurnace names and Addresses from a hospital. I need to match these up to specific Insurance codes from a billing company worksheet. The bad thing is my billing database has multiple duplicate addresses for different insurances (Yes this does happen where different Insurances have the same address-don't ask me why). So originally I did a VLOOKUP where I looked up the address from the hospital Spreadsheet and matched it to the Insurance Specific code. The pitfall to doing it this way is that it only grabs the first exact match from the Billing worksheet. Is there a way to either automatically identify the possible matches and allow me to choose which one is the exact match or how do I just identify duplicates on my billing worksheet and match them manually? I attached the worksheet.
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Apr 8, 2014
I'm trying to Count duplicate text on sheet 2 and populate the number of times repeated on sheet 1.
On sheet 1 I have A3:A128 and would like the number of times these respective cost centers are repeated in Sheet 2 to populate Column B of Sheet 1.
File attached.
Not sure which formula to use. I tried CountIF but didn't work with 2 sheets.
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Oct 3, 2011
I Have Data in my excel where i need to findout the Duplicates as well as unique if there are duplicates in the given column.
For eg In Column "M" if there are Five "ABC" so i need all the five ABC as a Duplicates and not only 4 ABC as Duplicates and one as Unique.
ABC
B
C
ABC
ABC
ABC
ABC
D
E
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Jun 1, 2012
I have two columns of B2 and C2 data in the same worksheet and want to identify duplicates in the columns and return a value of true or false in column D. The formula I have been utilizing is:
=IF(ISNA(VLOOKUP(B2,$C$2:$C$5000,2,FALSE)),0,VLOOKUP(B2,$C$2:$C$5000,2,FALSE))
However, i receive a #REF# return in D. What am I missing ?
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Jun 27, 2006
I am trying to write a macro to check for duplicate numbers. My logic is as follow:
If(A2-A3=0) Then
B3=1
I want to write the macro as follow:
Select Check>0
Do While Check <885
If(A2-A3=0) Then
B3=1
End If
Loop
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Mar 14, 2008
I have two spreadsheet in which I am looking for duplicate customer names.
1st - "Customers"
2nd - "Orders"
In column A of my Customers spreadsheet I have the following formula
=IF(ISERROR(MATCH(E2,Orders$D2:D1000,0))=FALSE, "Y","N"). This allows me to see if a name in my Customer spreadsheet (column E is a field of names) is also in my Orders spreadsheet (column D is a field of names). My end results is either a Y indicating a duplicate or a N for no duplicates.
What I am looking to do next is to place in column B of my Customers spreadsheet the date that coincides with the duplicating customer name. Sorry to be confusing. If a customers name is found in the Orders spreadsheet I need to know what date has been given to this customer (column L in the Orders spreadsheet contains the date information).
However, on numerous occasions a customers name is found in the Orders spreadsheet more than once meaning there may be more than one date which needs to be placed in column B of my Customers spreadsheet.
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Dec 22, 2008
I have a spreadsheet with 20+ columns. Each column contains a list of invoice numbers, eg, 1234. The lists are all of different lengths (see below). I want to find a way to find/highlight/identify those invoice numbers that appear more than once in the entire sheet (eg if invoice 1234 is listed in column B, and also in column H, and/or if invoice 5678 is listed in column A, and also in column J, and also perhaps in column D, etc.)
I've searched this forum but haven't found anything about searching for multiple duplicates in multiple columns. Ideally the matches would be highlighted in different colours, (eg all cells that contain 1234 would be red, those that contain 5678 would be blue, etc., for ease of identification) but I'm not sure if that's possible. I've attached an example that I've shaded myself to show what I mean. I've tried the MODE function but that only tells me which invoice number occurs the most.
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Mar 30, 2012
I use excel 2007 and need a formula to identify cells that have duplicate values within the same cell. For example, some of my city fields have the city twice, like baltimorebaltimore.
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Jul 10, 2013
So here I have two columns Column 1 with repetitive values of some 10000 records Column 2 with unique values of 100 records I want to compare Column 1 and Column 2, identify the values in Column 1 that match with Column 2 and highlight them. Conditional formatting for duplicate values doesnt work because Column 1 has repetitive values.
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Jun 29, 2007
I need to identify the errors, duplicates, typos and such between two spreadsheets of over 4000 rows of data each. The Macro: I got a macro working, but it's not perfect. So far, it can only tell data that's missing on spreadsheets A, or B. However, it can't tell which are the duplicates, typos, etc. Please look at the sample for more details. The code is included in the sample. And for your convenience, it's right here:
Sub difference_general()
Dim frontcount As Long
Dim backcount As Long
Dim diffcount As Long
Dim nosrcflg As Boolean
Dim front_ref As String
Dim back_ref As String
Dim anydiffflg As Boolean
Dim ftnotexistflg As Boolean
Dim invnotexistflg As Boolean
Application. ScreenUpdating = False
Application.Calculation = xlCalculationManual
Sheets("Diff").Select
Cells(1, 1).Select
Rows("2:65536").Select
Selection.Delete Shift:=xlUp
Cells(1, 2).Select............................
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Jul 12, 2008
Have a list of approx. 125 people (for our church's prayer list). What I would like to do is have a formula/macro that will identify and print the ones on the list
-that have been on the list less than 2 months
-identify by printing one "*" by thier name when the 2 months will be up in 2 weeks
-identify by printing two "**" by the name when the person will be removed in one week.
Another way of stating what I am wanting Excel's functions to do is the following:
In one column, I would enter the date a person is added to the list, then I would want the formula/macro to calculate the date the person would be removed from the list. When the list is printed weekly for our bulletin, I would like the program to create the list/print only the persons who have been on the list less than two months. In addition, I would like for the ones that will be removed in 2 weeks to be identified with an asterick when the printing is done. Then 2 astericks when the person would be removed in one week.(This would allert people to update us on the person's condition and continued need for special prayer.)
Of course, I would like this calculation to be done automatically when the data base is opened. OR REQESTED. I'm not sure of my terminology here! I want the calculations to be done without me having to redo the database and formula/macro weekly.
I sure hope this request is clear!
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Apr 14, 2009
It's a time sheet that I need to have whatever data is listed in column E to be listed starting in cell C27 but only once even if it's listed several times. In cell D27 I need the sums to match the data to it's left with the values from above in column D. I've used fill colors to help show my intent. I would also like it to keep track of remaining vacation time by recognizing the word 'VAC' from column E and subtract the value from it's left. This value is shown in cell J26 as '46hrs REMAINING'.
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Apr 18, 2013
I have my dummy data, and I have (what I think) is how I want the data to be shown. My friend uses Google Sheets, but I prefer Excel. I am trying to convert the code because I am a stickler for excel. Typically I can convert codes some easily, but this is way beyond me.
For Column A: I want to create a list on sheet 'Setup!' based on ids!D2:D="yes". If that list has duplicate entries, I would like only the first entry to show up, but for the next entries I would like the cell to be blank. (this is important for the next step) For Column C: I want to have the corresponding dates go with the name entry. For Column D: I want to have the notes go with the corresponding date entry. (I believe I can manipulate Column C's code to do Column D myself).
I am also going to upload a data sheet, and an expected results sheet.
unique list.xlsx
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Jan 9, 2014
I am working on an email marketing project and i have a small problem. I have two different email list. One (List A) is a large list of potential leads. The other (List B) is a list of leads we are not supposed to market to. I need to delete every lead on List A whose email address is also in List B, so that we do not send unwanted emails to our clients.
The best way i have to do this so far is to go through line by line, which is very impractical.
In case it matters here is out list format. Each list has 10,000 + leads. Each lead occupies a row. The row stretches across 13 columns and each column holds a different variable about the lead (names, state, email address).
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Nov 2, 2006
In an excel file I have 2 lists of files. List #1 has about 6,000 filenames and List #2 is a subset of List #1.
I am looking for a solution which will help me highlight/identify those files which are also in list#2.
Ofcourse one way is to sort both lists and then place them in consecutive columns (say column A and column B) and then in another column (column C) use a IF function to identify if A1=B1 (or A1 <> B1) and then take it from there. However this approach helps a litle becuase there may be a gap in List#2 and thus for a great # of cells in column C i will end up getting false answer. Hope you're following me??
The underlying requirement for this is rather lenghty so I'm skipping those details. However I would like to share that so far and whenever I come across doing this exercise (about 3-4 times a month), I ended up achieving the results but it takes me hours.
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May 27, 2014
Eng list.xlsx
The attached file (a copy of my main one) has a list of our engineers, and what stock they carry. The stock parts are the 64, 65, 66... numbers.
I need to create a list from this (as underneath the main table), for all instances where there is a 'Y' in the columns next to each engineer. So if an engineer has 3x pieces of stock, they need to appear in the list 3x times. If they have 1x piece of stock, they appear in the list once.
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Jun 21, 2007
I regularly import a list of data into Excel containing employee team names, employee names, and (for these purposes, irrelevant) data. The team name is the only data in column I, and therefore I can easily pick this up an summarise it in a lookup. The employee name is always one row above it, and in column D. However, it is not the only data in column D, and each employee's records contain varying numbers of rows. How can I have Excel copy the employee name in to column J, alongside the team name in column I, but ONLY in rows where there is data in column I?
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Nov 28, 2007
I have a list of data which looks like this
Column B
Name
---------
Jones, Bob
Jones, Bob
Jones, Bob
Smith, Mike
Smith, Mike
Smith, Mike
Calai, Dave
Calai, Dave
Calai, Dave
Etc...
What I want to do is take the entire list and create a distinct list that I can use in a named range then use a validation list to have a drop down within a different tab.
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May 19, 2014
So I have a list of numbers in column A with an amount in column B. There are duplicates in column A. I need those duplicates pulled out into another cell with its amounts from column B, then total the amounts from column B. This would give the user the total amounts from column B. I have attached a sheet with the examples hand typed.
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Apr 18, 2014
I have in column A and B. A includes two (or may be more) kind of items, i.e. drink and snack. Column B has for example water next to drink and chips next to snack. The list is huge.
How can I generate a drop down list with data which uses the A column to identify the items which it should include. I want to make two separate drop down lists for drink and snack and each should include only those options which belong to those categories. I.e. drink list should be like water, cola, pepsi, etc. The problem is that the list is huge and it's not possible to sort it. Some kind of if statement structure with named range? The drop down should be dynamic in a sense that if I add line to data, it should be picked to the right drop down menu.
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Nov 20, 2009
I have designed a spreadsheet and i want a seperate worksheet (sheet3 for arguments sake) to retrieve customer data from worksheet 2 - The data I required is the customer data currently contained on columns A - H and there are around 50 rows. (A2 - I51). I want the seperate sheet to identify entries that have today's date in column I and then list them in Worksheet 3.
Im having difficulties with the syntax for retrieving the data from a seperate worksheet. There may be several entries for the same date and I want to the seperate sheet to report all customer data in worksheet 3? Also, if the date falls on a weekend I would like to retrieve any data for the weekend on the Monday so all cases can be reviewed.
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Dec 27, 2013
This is what I have and it go down to 200 names.
Andrew
Andrew
Andrew
Constance
Constance
Constance
Curtis
[Code]...
This is what I am looking for a formulas that will do this take out the dup's (Not Conditional Formatting)
Andrew
Constance
Curtis
Greg
Pauline
[Code]....
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Nov 9, 2009
I need to check a list of names to see if there are duplicate entries.
At the bottom of the list I would like to count the number of duplicates.
In the list I want conditional formatting to highlight cells where the duplicate appears.
Using Excel 2007.
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Aug 6, 2009
Here is the deal I have 4 columns. Each line gives you the following information:
The Id is the record number, Code_Name is a code for each Fox in the study, date and area is a sub area in a bigger grid. Basically I have an area divided by squares and every time a marked fox enters in one of my squares a new line in the data is created. What I won’t to know is if a fox when in my area of study will return to the same squares or not.
ID
CODE_NAME
Date
Area
Logical
116
SSS1
02-Jan-09
1A1
273
RRR1
02-Jan-09
2A2
2959
BBB1
02-Jan-09
1B1
2959
What I’m trying to achieve is a 5th column were ill get a logical value of TRUE or FALSE if, for each fox in the next available record a fox went back to the same square or not.
So if you check for the fox RRR1 I have 2 records one in 2 of January in area 1A1 and a second in 7 of January in the same area. For the Fox BBB1 you will see that she was always in different areas and for CCC1 she only came back to one square.
The problem is I have over 400 fox’s and 12000 records and I’m trying to get a way of doing it automatically.
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Jan 11, 2007
I was wondering if there is a formula or a vba code to return each number once from a list.
For example I’ve got a list with app. 500 rows and maybe 80 different numbers in there, so one number could be 50 times in the list, another number maybe just once. Is there a formula, which returns me each number once?
Can’t think of any, or do I have to use a vba code be get the information?
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Apr 3, 2014
I have data in the form of a table. For example a list of duplicate names, each of these names have a corresponding date (lease expiry date). The problem is that the duplicate names have varying dates. So the remove duplicates function does not work because i need to remove the duplicate names with the older dates. I want the latest dates to remain behind.
Data Currently: Solution should be:
Sue1/3/2014Mike8/8/2014
Jay25/4/2013Sue1/3/2014
Jay25/4/2013Jay25/4/2013
Mike8/8/2014
Mike8/8/2014
Sue1/3/2014
Sue25/6/2012
Sue1/3/2014
Sue5/7/2012
Jay2/2/2011
Mike5/5/2010
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Apr 3, 2014
I have a list of what we call "model codes" which are is a similar format to "DFS41FC57DD728NCWRY3"
The list could be 6000 rows but may contain hundreds of duplicates and may only contain 50 different model codes
I am looking for a formula that will populate a new column (B in the example below) with only the individual codes (unfortunately the xls example I created wont upload)
COLUMN A COLUMN B
DFS41FC57DD728N3SRY3 DFS41FC57DD728N3SRY3
DFS41FC57DD728N3SRY3 DFS41FC57DD728NCWRY3
DFS41FC57DD728N3SRY3
DFS41FC57DD728N3SRY3
DFS41FC57DD728NCWRY3
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