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## Rolling average same period last year

Hi,

I have a rolling average measure which works as it should:

@rolling_avg_sales_per_day = AVERAGEX(FILTER(ALLSELECTED('Calendar'),'Calendar'[Date]<=MAX('Calendar'[Date])),[@@@product_sales])

I then try and look for the same rolling average for the same period last year, but not getting the desired result. I have tried 2 measures without success:
1.
@rolling_avg_sales_per_day_SPLY = CALCULATE([@rolling_avg_sales_per_day],SAMEPERIODLASTYEAR('Calendar'[Date]))
2.

Can anyone help with the correct measure, please?

Thanks

James

1 ACCEPTED SOLUTION
Community Support

Hi @James__ ,

According to your description, here are my steps you can follow as a solution.

You can create a measure as below:

``````Sales R12M =
VAR NumOfMonths = 12
VAR LastCurrentDate =
MAX ( 'Date'[Date] )
VAR Period =
DATESINPERIOD ( 'Date'[Date], LastCurrentDate, - NumOfMonths, MONTH )
VAR Result =
CALCULATE (
AVERAGEX (
VALUES ( 'Date'[YearMonth]),
[Sales Amount]
),
Period
)
VAR FirstDateInPeriod = MINX ( Period, 'Date'[Date] )
VAR LastDateWithSales = MAX ( Sales[Order Date] )
RETURN
IF ( FirstDateInPeriod <= LastDateWithSales, Result )``````

Then the result is as follows.

You can refer to the following documents that may be helpful to you:

Rolling 12 Months Average in DAX - SQLBI

Solved: Rolling 12M Average only calculate average on year... - Microsoft Power BI Community

Cumulative rolling average by day/month - Microsoft Power BI Community

Solved: Need help with rolling periods past 12M, 6M, P3M a... - Microsoft Power BI Community

Best Regards,

Neeko Tang

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

Community Support

Hi @James__ ,

According to your description, here are my steps you can follow as a solution.

You can create a measure as below:

``````Sales R12M =
VAR NumOfMonths = 12
VAR LastCurrentDate =
MAX ( 'Date'[Date] )
VAR Period =
DATESINPERIOD ( 'Date'[Date], LastCurrentDate, - NumOfMonths, MONTH )
VAR Result =
CALCULATE (
AVERAGEX (
VALUES ( 'Date'[YearMonth]),
[Sales Amount]
),
Period
)
VAR FirstDateInPeriod = MINX ( Period, 'Date'[Date] )
VAR LastDateWithSales = MAX ( Sales[Order Date] )
RETURN
IF ( FirstDateInPeriod <= LastDateWithSales, Result )``````

Then the result is as follows.

You can refer to the following documents that may be helpful to you:

Rolling 12 Months Average in DAX - SQLBI

Solved: Rolling 12M Average only calculate average on year... - Microsoft Power BI Community

Cumulative rolling average by day/month - Microsoft Power BI Community

Solved: Need help with rolling periods past 12M, 6M, P3M a... - Microsoft Power BI Community

Best Regards,

Neeko Tang

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

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