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I'm a beginner with power bi I'm trying to define a Personalized measure that calculates the 20-day moving average of a value. That value is a column "cloture" of the table 'historique'
Here is the expression DAX :
MMA20 = CALCULATE(AVERAGE(Historique[cloture]); DATESINPERIOD(Historique[Date].[Jour]; DATE(2017, 02 ; 17); -20 DAY))
Help Please 😞
Hi @kawthergharbi,
Please try this formula to create a calculated column:
Moving average = CALCULATE ( SUM ( Historique[Cloture] ), FILTER ( Historique, Historique[Date] <= EARLIER ( Historique[Date] ) && Historique[Date] >= DATEADD ( Historique[Date].[Date], -20, DAY ) ) ) / 20
Best regards,
Yuliana Gu
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