How to create a 13 week rolling average based on date hierarchy

[cardweller]

Hi, I am wondering if there is a way to create a rolling average measure that would show the rolling average of the last 13 weeks on a bar chart visual. The X axis of my chart is a date hierarchy that includes day, month, year. The y axis is just a percentage.  My problem is that I don't have a "week" parameter, since the data just includes day, month and year.

The first visual I attched is what I would expect the measure to look somewhat like (black line is the 13 week rolling average starting at the 13th week).

The second visual is what the data looks like in a table.

[v-jianboli-msft · Accepted solution]

Hi @cardweller ,

Based on your description, I have created a simple sample:

Please try:

Measure = 
var _a = WEEKNUM(MAX('Table'[Date]))
var _b = FILTER(ALL('Table'),WEEKNUM([Date])>=_a-12&&WEEKNUM([Date])<=_a)
return AVERAGEX(_b,[Column])

Final output:

Best Regards,

Jianbo Li

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