Root Mean Square

Root Mean Square:

Root mean square (RMS) of a set of values xi, i=1,...N is the square root of the mean of the squares of the values:

 

RMS(x1, ... ,xN) =   ÃƒÂ¦
Ö
 1

N

 N
?
i=1 		 xi2

RMS is a statistical measure of departure from the null value.

 

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