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Helper II
Helper II

Root Mean Square (RMS) in Power BI Matrix

I currently have a matrix where the cells represent averages of values. But the request now is to use "root mean square" (RMS) as the aggregate. Since that's not one that Power BI offers out of the box, I'm wondering the most straightforward way to implement it. To clarify, RMS is the square root of the average of all the contributing values squared.   

 

bvy_0-1602424509612.png

 

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Resident Rockstar
Resident Rockstar

Hi, @bvy , it's straightforward,

 

Measure RMS = SQRT(AVERAGEX(tb, tb[Value]^2))

 

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Resident Rockstar
Resident Rockstar

Hi, @bvy , it's straightforward,

 

Measure RMS = SQRT(AVERAGEX(tb, tb[Value]^2))

 

View solution in original post

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