How to avoid double counting for Sums?

[Anonymous]

My data is like this in the underlying table: 

My visual is like this: 

When I show the total of Trx amount in a card for the visual, it shows 350 instead of 175. Because the underlying data has 2 distinct Project ID's for the same Person ID, it duplicates. How do I show the value in card appearing as 175? 

This example shows only 2 Project ID's but there can be multiple associated with Person ID. However the visual should show only the sum of amount that is in the display. I tried calculating distinctcount of Project IDs and tried dividing the regular sum of Amt by this distinct count. Doesn't work. 

Thank you! 

[Anonymous]

Thanks you both!! 

[Anonymous · Accepted solution]

Thank @Ahmedx  for his prompt reply.

Hi @Anonymous  ,

Depending on the information you have provided, I created a sample data to help you solve your problem. You can follow these steps below.
Sample data:

1.Add new measure.

Sum of Trx = 
VAR _PersonID =
    SELECTEDVALUE ( 'Table'[Person_ID] )
VAR _CountProj =
    CALCULATE (
        DISTINCTCOUNT ( 'Table'[Proj_ID] ),
        FILTER ( 'Table', 'Table'[Person_ID] = _PersonID )
    )
RETURN
    DIVIDE ( SUM ( 'Table'[Trx] ), _CountProj )

 Final output:

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If it does not help, please provide more details with your desired out put and pbix file without privacy information.

Best Regards,

Ada Wang

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[Anonymous]

Thank you so much!! 

[Ahmedx]

you need to remove duplicates in power query or write to mayor using MAX