Duplicates In List

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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Make Unique List From List Without Duplicates But Hold Cell And Pull Corresponding Dates

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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Duplicates - Delete Every Lead On List A Whose Email Address Is Also In List B?

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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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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Create Unique List From List With Duplicates

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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How To Get A List Without Duplicates

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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Identifying Duplicates In List

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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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 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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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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Jul 27, 2009

I have a sheet called "Usage Data" and in that sheet Column A is called "DTL_LOC" (Warehouse #)

I need to pull all data from this column and create a list with no duplicates. Data is both Text & Numeric.

I need to use this information in a Validation List on my "Inventory" sheet in C1

The list is currently located in L3:L102 on the "Inventory" sheet. However this list may increase or decrease as the company grows.

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Feb 23, 2006

I have a list of Dates in Col. A
Column B contains both numerical and text values.

I need to define a value in column B, and create a list of the dates
that these occured on, on another sheet. Auto filter doesn't work
because there are several different columns. If I try to use it I also
get the values in the other columns.

A B
1/2 8
1/3 4
1/4 Vac
1/5 8
1/6 7
1/7 Vac
1/8 8

Value needed = Vac

Solution 1/4
1/7

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Feb 28, 2007

I am confident the answer is no, but is there any formula / combination of formulae that will seek out unique values in a list of duplicates (just like filtering unique records only)?

I have a list of many duplicating sales people and I want to just create a column on another sheet that automatically sorts out the unique values (then I will sum their sales numbers with the SUMIF formula).

(By the way, the reason I just don't use the filter function is because the list always changes so I would need to keep applying it.)

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Oct 2, 2008

I am trying to work out how I can assign a sequential value to sets of duplicate data within a list. i.e. where I have duplicates in a list I want each of the duplicates (that are in the same set) to have a sequential number assigned and for that to start from 1 each time it discovers a new set of duplicates.

RED
GREEN
YELLOW
PURPLE
RED
ORANGE
BLACK
GREEN
RED

Where a colour is duplicated in the list I want it to have a sequential number assigned. When a new set of duplicates is found the numbering starts from 1 and sequentially increases. So the above data list would resulting in the following output

RED 1
GREEN 1
YELLOW
PURPLE
RED 2
ORANGE
BLACK
GREEN 2
RED 3

Have tried variations of the RANK function, but not sure how to get the sequential nu,bering to restart with each unique set of duplicates. I would also like to do this without VBA if possible using the built in functions.

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Jun 2, 2007

I am making an excel document that has a log of repeating data, one column of which includes names. At the bottom of the document, I am trying to make a small box that tallies all of the people within the document and the number of times they placed an order. What is the formula for when you want excel to find a word within the document? Right now I am using =CELL("CONTENTS",C6) etc. So all that does is repeat the word when it is used. But it duplicates the word in the box down below because it appears in the log numerous times.

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Apr 24, 2008

i need to lookup in a sheet for cells that start for example by "SE=", and copy them to another Sheet creating a list!
But some of this cells started by "SE =" are repeated, like:

SE = cars
SE = cars
SE = cars
SE = dogs
SE = dogs
SE = bike's

and this is what I'll need:

SE = cars
SE = dogs
SE = bike's

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Apr 23, 2014

I have a list of names and an associating number with those names. I'd like to create a dynamic top 10 list, but my problem is that I have duplicate values, here's a sample:

[Code].....

I tried to use LARGE and INDEX to create a top ten list like this:

=LARGE(Names,ROW(1:10))

=INDEX(Names,MATCH(T2,Count,0),1)

But, when the list comes out, it shows only the first entry with a duplicate result:

[Code] ....

How I can get it to grab the second "Name" with the same value as the first?

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Jan 19, 2014

I have attached a sample of what im trying to do here.

A2:A10 i have items, B2:B10 they can selected "yes" or "no" and C2:C10 the values

What I would like is, is "yes" was selected, i would like the item name added to a list. so basically:

=IF(A2:A10="YES",A2:A10)

And then I can just add the value to each item later but I need to remove duplicates and obv have this carried throughout the cells.

Attached File: TEST.xlsx‎

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Feb 22, 2010

I have a list of names "H3:H66". I want to create a list starting with "L3" from column H that eliminates any duplicate name from the first list.

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May 21, 2013

I'm pulling data from my servers (alarms) and have roughly 10 alarm points, reporting 9000 alarms. I've been able to pull them off the server on an excel file, have been able to sort them, but would like to venture into the hope that there is some sort of formula that would take the duplicate alarms(cell a1-a9000), delete them, and report how many duplicates were removed from the list in cell b1-b10

xyz
xyz
xyz
xyz
123
123
zzz

---

somehow it could be turned into
"xyz 4"
"123 2"
"zzz 1"

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Sep 11, 2013

I have giant excel spreadsheet that I am trying to clean up. I want to make one of the columns (with around 3000 rows and may of them are the same) into a drop down list. However, when I try doing so from the data validation tab, I get duplicates, triplicates, etc. of the same item.

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Apr 10, 2010

I'm looking for array formula that will condense a long list like this:

a
a
a
b
c
b
d

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b
c
d

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Nov 4, 2012

(Excel for Mac 2011). The size of my data means am crashing by usual methods of sorting - I need a formula for this rather than pivot tables.

I have a list of c. 40,000 rows. Col A is client name (largely different but some duplicates); Col B is Policy type (eg Home, Motor, Travel) and Col C is earnings on that policy (eg -60). An example would be:

Name
Policy Type
Earnings
Johnson
Home

[Code]...

So I need to figure out (via a formula) two things:

1) How to count duplicate names (eg appearing 3x = 1 customer; appearing 2x = 2 customers; appearing 1x = 1 customer)

2) How to build a simple table to show the relationship between policies. This would have Motor, Home, Travel, Motorcycle as columns and also as rows - the data would then be how many policies and in each cross point?

I have tried just working the data using Countifs etc, but as soon as I apply it to the whole data set the machine freezes, presumably due to its size

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Nov 30, 2009

I would like to identify duplicates in a list using conditional formatting in Excel 2007.

I have tried choosing to identify duplicates using the formula that I have found on many threads throughout the message board:

=COUNTIF($A$1:$A1,$A1)>1.

This function works up to 15 characters in a cell, but Excel seems to be treating all digits after the first 15 as the same, resulting in a "fuzzy match" where I want an exact match. Many of the values in my list are 18 characters long, in text format to prevent rounding.

I've noticed that Excel treats the 18-characters values the same way when sorting; for example, it treats these two values as the same:

'234567891011121314
'234567891011122413

Is there a way to force Excel to examine those last four digits for the purpose of sorting & identifying duplicates?

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Feb 27, 2008

I want to end up with a list of unique items (nothing repeated) from a variable length list starting in cell B5. That unique list is then placed in cell D3.

I am using the code below (found on Ozgrid) which almost works. But it seems to be dependent on what’s in column A (which I wish to ignore) for it to work.

How can I modify the code so that the results are based on column B only?

Dim Rng As Range
Dim fRng As Range
Dim lRow As Long
Dim Dest As Range

lRow = Range("B" & Rows.Count).End(xlUp).Row
Set Rng = Range("A5:B" & lRow)
Set Dest = [D3]

With Rng
. AutoFilter Field:=1, Criteria1:="1*"
Set fRng = .Offset(1, 1).Resize(.Rows.Count - 1, 1).SpecialCells(xlCellTypeVisible)
With fRng
.AdvancedFilter Action:=xlFilterCopy, CopyToRange:=Dest, Unique:=True

End With
End With

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Jan 6, 2014

I am working on a large data file (leasing file), that has many duplicates. The names on the file are duplicated due to the various variable costs associated with leasing. I need to remove the duplicates names based on the latest contract end date.

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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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Jun 14, 2013

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