standard deviation

Senso (Inglese)

A measure of how spread out data values are around the mean, defined as the square root of the variance. Represented with the Greek letter σ (sigma).

sinonimi

root-mean-square error

mean error

error of mean square

quadratic mean deviation

mean-rootsquare

square mean

mean square error

average error

root-mean-square deviation

balanced error

Etimologia (Inglese)

Coined by English mathematician Karl Pearson in 1894 in his paper "On the dissection of asymmetrical frequency curves".

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