Removing Duplicate Entries From Two Lists?
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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Jun 12, 2006
I'm trying to remove duplicate entries from a list of names & addresses.
What I'm after is some VBA code which will examine row by row the 'post code' field and the 'Full name' field and highlight/delete duplicate entries.
Its best illustrated by an example
Full Name Address Postcode
Mr C. Verougstraete 6 somone st, Leicester HY8 9YK
Mrs R. Brazier 8 high st HY9 9LK
Mr C. Verougstraete 6 somone st, HY8 9YK
The last record is obviously a duplicate of row 2 therefore will be removed.
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Sep 18, 2013
I have this data set which has customers D.O.B's. This a test data set for the MGM Grand Casino and some customers are under aged below 21 or not even born yet (basically wrong inputs). So ultimately I want to retain the row entries of the customers who were born between (1930 - 1992).
mgm_cleaned TEST Â ABCDEFGHIJKLM43928-Sep-20048-Sep-200405.4722000004-Oct-194944969-Sep-20049-Sep-200408.5720.25000004-Oct-1949459320-Apr-200423-Apr-2004010.9255000004-Oct-1949469420-Apr-200420-Apr-200409.2941000004-Oct-1949479121-Apr-200421-Apr-2004019.637.25000004-Oct-1949489221-Apr-200421-Apr-2004016.2941000004-Oct-1949499323-Apr-200323-Apr-2003010.96-10.25000004-Oct-1949509623
[Code] .........
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Aug 2, 2006
I have a workbook containing several worksheets. I use one worksheet to collate information from the others. I do this by referencing the relevant cells I need from the other worksheets with the '=' command.
When this displays it shows as a '0' if the original cell is blank. Is it possible for this to show as a blank unless there is any data. I have tried the ISERROR function but it still leaves the entry as a '0'.
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Apr 24, 2007
I´working on an excel sheet where i´m copying a range to another place. So far so good. Then I want to remove all double entries for each rows in the new range. I managed to get a code working for one row. When I want to loop it for all the rows in the copied range, I get a an error popoing up when the loop starts working on the second row. Error 457: "This is already associated with an element of this collection" The line creating this error is coll.Add cell.Value, CStr(cell.Value)
Sub Sortere_StederBeta()
Dim coll As New Collection
Dim lcount As Long
Dim cell As Range
On Error Resume Next
Range("B4:U33").Copy
Range("B36").Select
Selection.PasteSpecial Paste:=xlPasteValues
For i = 36 To 65 Step 1
Range(Cells(i, 2), Cells(i, 22)).Select
Set coll = Nothing........................
The problem seems to come from the fact that the Coll (New Collection) is not reseting for the next loop. I tried to set the Coll to Nothing but doesn´t have any effect.
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Aug 12, 2014
I have two lists and I would like a formula which only returns unique values - similar to an advanced formula. Is this possible?
In the attached example my data is in columns C and D and I would like a formula in column E if possible. I need it to ignore the capitals. E.g. BLACKBURN and Blackburn appears in each list but I would only want one instance pulled through in column E.
Currently in column E I have the desired result.
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Jun 20, 2014
I am having trouble delete a drop down list inspite of selecting clear all from the data validation tab in excel 2007. When I hit Alt + Down Arrow, I still see picklist options. I didnt set up the spreadsheet, hence I am not sure how to begin troubleshooting.
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Jan 22, 2009
I would like to combine 3 string together but I would like to remove the duplicate found in any of the string. I attached an example with the desired result. I know =A1&""A2&""&A3 can combine the string, as I wan a space between each string. anyone can further edit my formula to remove the duplicate ...
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Apr 14, 2013
Is there way, short of creating a macro, to have duplicate rows deleted in a spreadsheet?
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Jul 24, 2009
I need to restructure a report that I have imported into Excel.
My columns are titled (from left to right):
Company Name, Account ID, Client Code, Billing Street, Contact Name, Contact Number
There are many rows per Company because every company has many contacts. As a result, for each company, the Company Name, Account ID, Client Code, etc. columns with their associated information in the fields underneath the heading are repeated unnecessarily.
How can I delete the extraneous fields of information (leaving one Company Name field filled out per company) without having to go in an manually deleting them (which would take hours)
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Aug 19, 2009
I need some adv on how to remove lines that containing duplicate cells. My data is up the max lines of 65536.
I have data in column D that have duplicate value and I need to remove that duplicate line from the list ( thus leaving only unique value). Is there any macro that can do this?
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Apr 2, 2013
I have a data set that I add information to weekly. I then add a value at the end of the row, example active or inactive. I've found that, when using the remove duplicate function, it does not always remove the second instance, resulting in a loss of that added data(active or inactive). So I guess my question is, can I somehow specify which instance of duplicated data is removed?
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Oct 2, 2013
I have trying to remove duplicate value for two columns which are not in order since long time. I have listed an example for the purpose. Two rows contains same information in different columns. I just wanted to have one row and remove the other with same information.
AAAA
500135500136
500136500135
500137500138
500138500137
500191500192
500192500191
500277500278
500278500277
500413500414
500414500413
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Sep 16, 2009
Hi, I have a report that has multiple lines for the same job with notes of issues and solutions. Each line has a date assosiated with it.
What I need to do is to delete all of the notes apart from the first one. I have attached a sample of the data and highlighted the rows that need to be kept.
I have left the data in it's raw form as it is not always extracted in date order.
Can anyone help me out with a Macro that will sort the data and remove all rows apart from the earliest note per job number?
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Feb 28, 2008
I have an excel spreadsheet with approximately 10000 rows. There are approximately 10 columns...
Column A - person's ID number
Column B - name
Column C - Street Address
Column D - City
Column E - State
etc...
It being such a large list there are many many duplicates (it was pulled from a bunch of different excel spreadsheets and combined into one via copy and pasting one document into the other).
I figured out a way to have excel highlight the duplicates in a different color... but scrolling through 10k people and deleting the duplicates is obviously very tedious (approx 40% of the spreadsheet is duplicates).
Is there a way to sort out the duplicates (via their ID number, column A) so that there are no repeats? I want to get rid of the 2nd/3rd/4th (etc) occurance of the person's information but I was to obviously keep the first occurance.
I tried using Advanced Filter but I must have done something wrong because it shrunk the list too far down.
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Aug 8, 2014
I have a column that is filled with various car brands that a dealership might sell. The data in the cell may look like CHRYSLER; CHRYSLER; CHRYSLER which I would want to just say CHRYSLER. If the cell says CHRYSLER; FORD; CHRYSLER; FORD I want it to just say CHRYSLER; FORD.
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Oct 10, 2011
Currently trying to solve a niggling issue with removing duplicate row data from competition entry databases using the following code...
Code:
Sub remove_duplicates()
Dim lastrow As Long
Dim i As Long, j As Long
On Error GoTo errhandler
Columns("A:G").Sort Key1:=Range("A2"), Order1:=xlAscending, Key2:=Range("B2") _
[Code] ......
errhandler:
'MsgBox Err.Description
End Sub
What I need to happen is for duplicates to be based on both the name and email matching (columns A + B) and then remove all duplicate rows, whilst ignoring but preserving the content in columns C,D,E and F on those rows that remain. Column G contains either "Yes" or "No" depending on a users membership status. Sometimes duplicated data will contain identical name and email address but have different membership status in column G where someone was logged in when submitting a form the first time, and then logged out the next (potentially a mixture of the two over multiple times). Therefore I need any duplicate users who have different values in the G column throughout the database to be detected by the macro and we must ensure that the single row retained in the final non-duplicated list displays "Yes" in column G for that user.
Duplicate users who are always "yes" or always "no" work fine, its only the ones with mixed values for column G that need to be analysed and their return forced as Yes in the final list.
The final list should preserve the original column structure and thus be only one row per unique user.
The above code appeared to work the first time with a sample file, but when running the macro on one of my full size lists (3k - 5k rows) it returns 2 rows for each user who started off as a mixture of Yes/No... ?
Both rows will say yes in column G (so that part is correct!) but I have to re-run the macro again on the same dataset for it to remove the duplicate yes rows to get the list as it finally should be!
So I can achieve the result by running it twice, but this is a bit of a cheating way to do it and also the next stage after this involves something similar across multiple worksheets so I need something rock solid to build upon!
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Mar 27, 2008
I have a list of customers that contains duplicate records. These records ALSO include thier addresses WHICH may or may not be identical.
Example: Customer with LAST NAME in A1, FIRST NAME in B1 may be the same person as A2 and B2, however each record may have a different address in column C1 and C2 respectively.
I want to be able to filter out all duplicate customers based soley on the first and last name (data in columns A and B).
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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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May 22, 2013
Suppose I have some data in a column like below
Blue
Red
Green
green
red
RED
BLUE
I need a macro or excel formula so that it will remove duplicate products- case sensitive(removing all duplicate prod using using excel,that i know.) i.e. it should not consider Blue BLUE as duplicate. only consider Blue Blue as duplicate.
So the macro should work same as data -> remove duplicate function already exists in excel, except it will be case sensitive..
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Apr 8, 2014
I have used a vlookup code from a past post (Vlookup multiple values in one cell) in VBA and successfully retrieved my information to one cell.
However, I would now like to remove any duplicates in this cell; preferably while running the same code.
--vlookup code
Public Function mVLOOKUP(mlookup_value As Range, mtable_array As Range, mcol_index_num As Long)
Dim r As Range
[Code].....
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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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