Mean-square error

(Math. Phys.)

the error the square of which is the mean of the squares of all the errors; - called also, mean square deviation, mean error.

mean-square error

[¦mēn ¦skwer ′er·ər] (statistics) The residual or error sum of squares divided by the number of degrees of freedom of the sum; gives an estimate of the error or residual variance.

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