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SofiaVaz
Helper I
Helper I

Volumes variation by Category/Field

‎01-15-2019 08:17 AM

Hi all, 

 

I'm very new on Power BI and I'm dealing with DAX from scratch, so this question may be a little basic...

 

The data model I'm working with has a field called "voy" (voyage number), and other one called "Units" (number of units transported).

 

How can I calculate de number of units varition by voyage? Basically, I want to know how the transported volumes have evolved (exemple: Variation = UnitVoy02-UnitsVoy01).   

 

Thank you all, 

 

Sofia Vaz

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AlB
Super User
Super User
In response to SofiaVaz

‎01-16-2019 02:12 AM

@SofiaVaz

 

OK, that's not allowed with the simplified syntax for the filter argument. Try this instead:

 

UnitsNumberDiff =
[UnitsNumber]
    - CALCULATE (
        SUM ( Table1[Unidades_2] );
        FILTER (
            ALL ( Table1[sst_voyage] );
            Table1[sst_voyage]
                = SELECTEDVALUE ( Table1[sst_voyage] ) - 1
        )
    )

 

Code formatted with   www.daxformatter.com

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