| 单词 | mean-square error |
| 释义 | > as lemmasmean-square error mean-square error n. Statistics the mean of the squares of the differences between a set of data values and some fixed central value (usually the mean); the variance of a set of values; (formerly) †the standard deviation of a set of values (obsolete). ΚΠ 1885 F. Y. Edgeworth in Jubilee Vol. Royal Statist. Soc. 193 The Mean Square of Error, ought theoretically..to be 82.5. 1895 K. Pearson in Philos. Trans. 1894 (Royal Soc.) A. 185 80 Then σ will be termed its standard-deviation (error of mean square).] 1968 R. A. Lyttleton Myst. Solar Syst. vii. 245 This regrouping of the equations of condition..results in a further reduction of the number of unknowns at the price..of increasing the mean-square error associated with each equation. 1986 R. C. Harkness in T. C. Bartee Digital Communic. ix. 370 The horizontal scale provides a measure of mean square error (MSE). < as lemmas |
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