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Helper III

## Reprt builder expression for calculation based on distinct values in a column

Hi,

I have a power BI report builder which has duplicated rows (column A) as below. I need to calculate sum of column B based on unique values in column A. Please let me know the report builder expression.

 Column A Column B PartA 150 PartB 100 PartA 150 PartB 100 PartC 200 PartC 200

I need the expression which would calculate sum of PartA + PartB + PartC = 150+100+200 = 450

Thanks to assist.

Regards,

Muralidhar

1 ACCEPTED SOLUTION
Community Support

@murali5431
A simple measure should do:

Measure = SUMX(SUMMARIZE('Table',[Column A],'Table'[Column B]),[Column B])

And if there are always 2 repeated values, you can also use:
Measure = SUMX(DISTINCT('Table'[Column B]),[Column B])

Paul Zheng _ Community Support Team
If this post helps, please Accept it as the solution to help the other members find it more quickly.
5 REPLIES 5
Community Support

@murali5431
A simple measure should do:

Measure = SUMX(SUMMARIZE('Table',[Column A],'Table'[Column B]),[Column B])

And if there are always 2 repeated values, you can also use:
Measure = SUMX(DISTINCT('Table'[Column B]),[Column B])

Paul Zheng _ Community Support Team
If this post helps, please Accept it as the solution to help the other members find it more quickly.
Helper III

@V-pazhen-msft It did work when I tried it in the power BI desktop where I have built the dataset. But, when I import this measure to the report builder report to which dataset is connected, it just gives me the first row value. Can you let me know what needs to be tweaked?

Solution Sage

Hi !

Does the values in ColumnB will always be exactly same for repeted ColumnA members. How you want the calculation to work if you have have PartA with 2 distinct values in ColumnB, 150 & 120. What you want to do in this scenrio.

Regards,

Helper III

Values in ColumnB will always be exactly same for repeted ColumnA members, so we can ignore the scenario of columnB having different values for a value in column A.

Thanks for checking!

Regards,

Muralidhar

Solution Sage

Hi !

I would solve this like below;

1) Create a new table using DAX;

Go to Modelling Tab -> New Table, provide following DAX

``NewTable = SUMMARIZE(Table, Table[ColumnA], Table[ColumnB])``

Table is the name of your table, you can replace it with your table name in the formula.

Now create a measure to sum column B, use following DAX

``NewSum = SUM(NewTable[ColumnB])``

Hope this will solve your requirement.

Regards,

Hasham

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