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digitalau's avatar
digitalau
Frequent Visitor
6 years ago
Solved

Power BI Calculating Weekly Sum

I am trying to find Weekly Sum in a table , I have a pretty extensive Date table which uniquely identifies a Week. However, it's not working and I am not able to understand why .    What I want is ...
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  • v-frfei-msft's avatar
    v-frfei-msft
    6 years ago

    Hi digitalau ,

     

    To use VALUES function should work.

     

    Measure = 
CALCULATE (
    SUM ( 'Table'[values] ),
    FILTER ( ALL ( 'Table' ), 'Table'[date] <= MAX ( 'Table'[date] ) ),
    VALUES ( 'Table'[Wn] ),
    VALUES ( 'Table'[date].[Year] )
)

     

Anonymous's avatar
Anonymous
Not applicable
6 years ago

Hi digitalau ,

 

First, make sure you are using a Calculated Measure for _MaxWeeklyImpressions.

 

If you already are, then it is probably that ALLEXCEPT is not working  because you are refering to another table.


I would suggest to bring your Week column into the same table as Impressions, as such:


Create new calculated column in ImpressionShare Table:

NEW WEEK COLUMN = LASTNONBLANK( 'Date'[FW Week Year] , 0 )

Then Update your _MaxWeeklyImpressions measure , as such:

_MaxWeeklyImpressions = CALCULATE(
SUM(ImpressionShare[Impressions]),
ALLEXCEPT('ImpressionShare','ImpressionShare'[NEW WEEK COLUMN)
)

Let me know if anything is unclear.
Cheers,
Rob

 

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

digitalau's avatar
digitalau
Frequent Visitor
6 years ago

Robin, 

 

Thank you for the reply. It is a measure already. 

 

It looks like ALLEXCEPT is not working . 

 

They're coming from different tables  linked together with Date Column. ( 1 to Many  from Date to ImpressionShare)

 

The reason I would not want to bring Impressions to Date table is that I am going to have "Date" connections with 12 tables and for several other columns. 

 

I am trying to understand the logic of why it's not working . 

 

 

There's a 1 to many link between Date and Impression table 

 

 

  • digitalau's avatar
    digitalau
    Frequent Visitor
    6 years ago

    I tried using the method you mentioned . 

     

    1. Created a column in ImpressionShare Table : _Week4Impressions , which gives me a week entry in ImpressionShare column

    2. Created _SumWeeklyImpressions :  

    _SUMWeeklyImpressions = CALCULATE(
    SUM(ImpressionShare[Impressions]),
    ALLEXCEPT('ImpressionShare','ImpressionShare'[_Week4Impressions]
    )
     
    However, now it sums up the whole table . ( no aggregation yet to week level ) 
     
    • ERIC_A's avatar
      ERIC_A
      Helper II
      3 years ago

      hi in case you need it. this is what I did to get my total per week 

      weeklysum = calculate(count(Table1[calls]),ALLEXCEPT(Table1,Table1[Creation Week#]))