Quadratic mean is useful indicator of many performance measurements. It is a square root of average of sum of square.
Other name: root mean sum of square or root mean square (RMS)
- Quadratic Mean is basically an Euclidean distance
- Quadratic Mean is a special case of Minkowski mean with parameter p = 2
- Quadratic Mean is a special case of Kolmogorov Generalized mean with base-function of h(x) = x2
Preferable reference for this tutorial is
Teknomo, Kardi (2015) Mean and Average. http:\\people.revoledu.com\kardi\ tutorial\BasicMath\Average\