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Bahhoussi
New Member

Identify duplicates

Hello everybody,

 

I want to create in Power BI desktop a new column which will compare 2 other columns.

The purpose is to identify duplicates between these 2 columns.

In Excel, my formula will look like this:

If Column 1 = Column 2 Then "YES"

Else "NO"

but I don't know how to do that in Power BI.

 

Thx a lot for your help.

 

Samir.

1 ACCEPTED SOLUTION
konstantinos
Memorable Member
Memorable Member

Simple than excel , in the same table create "new column"  from the ribbon of PowerBI Desktop or right click the field name on the right pane , and the formula is  

 

1.png

 

IsDuplicate =        Column1 = Column2     This will return FALSE & TRUE...When returns true that means that is duplicated.

 

Now if you need to add it as slicer or filter( True & False is not that good visible ) then

 

IsDuplicate  =IF (  Column1 = Column2  ; " Yes"; "No") 

 

Konstantinos Ioannou

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4 REPLIES 4
konstantinos
Memorable Member
Memorable Member

Simple than excel , in the same table create "new column"  from the ribbon of PowerBI Desktop or right click the field name on the right pane , and the formula is  

 

1.png

 

IsDuplicate =        Column1 = Column2     This will return FALSE & TRUE...When returns true that means that is duplicated.

 

Now if you need to add it as slicer or filter( True & False is not that good visible ) then

 

IsDuplicate  =IF (  Column1 = Column2  ; " Yes"; "No") 

 

Konstantinos Ioannou
Anonymous
Not applicable

@konstantinos

 

Thank you for the tip! Is there a way to identify duplicates within one column?

 

I have a column 'Full Name'. I want to see if there is the same name two or more times

I have a column 'Emails'. I want to make sure that all emails are unique.

 

I don't want to delete duplicates. I want to see them for checking my CRM and correct mistakes.

Create a measure Rows count = COUNTROWS(Your Table name)

Then create one table visual and add the Full name field & Rows count measure. Sort by Row count measure and you will see how many times a name appear in the column.

Do the same for email address
Konstantinos Ioannou
Anonymous
Not applicable

@konstantinos

 

Wow. It is so easy and smart.

 

Thank you so much! 🙂

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