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FelipeGualberto
Frequent Visitor

Filter and divide instead filtering twice with CALCULATE

Hello, I have the measure below and it works fine:

 

Televisions Price per Unit = CALCULATE([Revenue]; DB[Product] = "Television") / CALCULATE([Amount]; DB[Product] = "Television")

 

I wonder if it is possible, just for the sake of my perfeccionism, to filter first the DB table only the rows containing Television and then sum each columns' values and do the division operation. The fact that I must explicitly express the filter context DB[Product] = "Television" bothers me and there may be a better and elegant way.

Also: without breaking the storage engine security.

 

Thanks!

1 ACCEPTED SOLUTION
Greg_Deckler
Super User
Super User

So something like:

 

Televisions Price per Unit = 
VAR __tmpTable = FILTER('DB',[Product]="Television")
RETURN 
DIVIDE(
    SUMX(__tmpTable,[Revenue]),
    SUMX(__tmpTable,[Amount]),
    0
)

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DAX is easy, CALCULATE makes DAX hard...

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2 REPLIES 2
Greg_Deckler
Super User
Super User

So something like:

 

Televisions Price per Unit = 
VAR __tmpTable = FILTER('DB',[Product]="Television")
RETURN 
DIVIDE(
    SUMX(__tmpTable,[Revenue]),
    SUMX(__tmpTable,[Amount]),
    0
)

@ me in replies or I'll lose your thread!!!
Instead of a Kudo, please vote for this idea
Become an expert!: Enterprise DNA
External Tools: MSHGQM
YouTube Channel!: Microsoft Hates Greg
Latest book!:
Mastering Power BI 2nd Edition

DAX is easy, CALCULATE makes DAX hard...

Thanks, I wonder if it is less efficient than using CALCULATE. I will test it later in DAX Studio.

 

Have a good day.

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