Forum Discussion

Diva20's avatar
Diva20
Frequent Visitor
5 years ago
Solved

Help with Variance calculation with current month vs selected month from slicer

Hello All

 

Im trying to achieve a DAX expression to find the variance for the following below table:

 

 

the formaula used in excel is 

Dec = $B$2-B2

Nov = $B$2-B3

Oct = $B$2-B4

Sep = $B$2-B5

Aug = $B$2-B6

 

Im currently using the follwoing measure and it doesnt work:

Variance P + Companies =
var prevmonth =
CALCULATE ( [Oppurtunities], DATEADD ( 'MasterData'[Date], -1, MONTH ) )
RETURN
IF (
ISBLANK (prevmonth),
0,
[Oppurtunities] - prevmonth
)

 

Can anyone help me out on the DAX expression with Variance calculation for current month vs selected month from slicer.

 

TIA 🙂

 

 

 

 

Interesting Links
Need Help
Show and Tell
Tips and Tricks
Tutorial Requests
  • v-janeyg-msft's avatar
    v-janeyg-msft
    5 years ago

    Hi, Diva20 

     

    It’s my pleasure to answer for you.

    According to your description,You should have a date column or a date table, and your oppurtunities column seems to be a measure, so ,you can add a separate month column as a slicer through ‘enter data’,then create a measure to calculate the desired result.

    Like this:

    Variance P + Companies =
VAR a =
    SELECTEDVALUE ( 'Table (2)'[Month] )
VAR b =
    CALCULATE (
        [Measure],
        FILTER ( ALL ( 'Table' ), 'Table'[Month] = SELECTEDVALUE ( 'Table'[Month] ) )
    )
VAR c =
    CALCULATE (
        [Measure],
        FILTER (
            ALL ( 'Table' ),
            'Table'[Month] = SELECTEDVALUE ( 'Table (2)'[Month] )
        )
    )
RETURN
    IF ( ISBLANK ( [Measure] ), 0, c - b )

    Here is my sample .pbix file.Hope it helps.

    If it doesn’t solve your problem, please feel free to ask me.

     

    Best Regards

    Janey Guo

     

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

3 Replies

  • AlB's avatar
    AlB
    Community Champion
    5 years ago

    Hi Diva20 

    You need to use DATEADD( ) on a well-constructed date table, not on your fact table. Are you doing that?

    Please mark the question solved when done and consider giving a thumbs up if posts are helpful.

    Contact me privately for support with any larger-scale BI needs, tutoring, etc.

    Cheers 

     

  • Ashish_Mathur's avatar
    Ashish_Mathur
    Super User
    5 years ago

    Hi,

    What do you mean by "for current month vs selected month from slicer"?  In the example that you have shown, what is the current month and what month have you chosen in the slicer?  Also, your base data should also have a Year column - I do not see that.

  • v-janeyg-msft's avatar
    v-janeyg-msft
    Community Support
    5 years ago

    Hi, Diva20 

     

    It’s my pleasure to answer for you.

    According to your description,You should have a date column or a date table, and your oppurtunities column seems to be a measure, so ,you can add a separate month column as a slicer through ‘enter data’,then create a measure to calculate the desired result.

    Like this:

    Variance P + Companies =
VAR a =
    SELECTEDVALUE ( 'Table (2)'[Month] )
VAR b =
    CALCULATE (
        [Measure],
        FILTER ( ALL ( 'Table' ), 'Table'[Month] = SELECTEDVALUE ( 'Table'[Month] ) )
    )
VAR c =
    CALCULATE (
        [Measure],
        FILTER (
            ALL ( 'Table' ),
            'Table'[Month] = SELECTEDVALUE ( 'Table (2)'[Month] )
        )
    )
RETURN
    IF ( ISBLANK ( [Measure] ), 0, c - b )

    Here is my sample .pbix file.Hope it helps.

    If it doesn’t solve your problem, please feel free to ask me.

     

    Best Regards

    Janey Guo

     

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