英语词汇“regression to or toward the mean”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

6. Genetics. The tendency for a value of an inherited characteristic to move closer to the mean value for the general population over successive generations, so that more extreme values tend to disappear; (Statistics) the tendency for the values of any distributed variable to move towards the mean over repeated independent trials. Frequently in regression to or toward the mean.

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the world > life > biology > biological processes > evolution > [noun] > regression (to the mean)

regression to the mean1885

1885 F. Galton in Nature 24 Sept. 507/1 The experiments showed further that the mean filial regression towards mediocrity was directly proportional to the parental deviation from it.

1912 J. A. Thomson Heredity (ed. 2) ix. 321 The amount of the regression affords a useful measure of the intensity of the inheritance.

1930 B. S. Burks et al. Promise of Youth iii. 42 We..estimated the probable average regression toward the mean for children whose original IQ's averaged 150.

1965 Lancet 5 Mar. 518/1 This may due in part to regression to the mean value that would be found, in comparing later with initial values from a purely random set.

2007 N. Angier Canon ii. 65 While population averages in height or intelligence may advance over time, regression to the mean serves as a counterweight, a stabilizing trend that helps keep cockiness in check.

单词	regression to or toward the mean
释义	> as lemmas regression to or toward the mean 6. Genetics. The tendency for a value of an inherited characteristic to move closer to the mean value for the general population over successive generations, so that more extreme values tend to disappear; (Statistics) the tendency for the values of any distributed variable to move towards the mean over repeated independent trials. Frequently in regression to or toward the mean. ΘΚΠ the world > life > biology > biological processes > evolution > [noun] > regression (to the mean) regression to the mean1885 1885 F. Galton in Nature 24 Sept. 507/1 The experiments showed further that the mean filial regression towards mediocrity was directly proportional to the parental deviation from it. 1912 J. A. Thomson Heredity (ed. 2) ix. 321 The amount of the regression affords a useful measure of the intensity of the inheritance. 1930 B. S. Burks et al. Promise of Youth iii. 42 We..estimated the probable average regression toward the mean for children whose original IQ's averaged 150. 1965 Lancet 5 Mar. 518/1 This may due in part to regression to the mean value that would be found, in comparing later with initial values from a purely random set. 2007 N. Angier Canon ii. 65 While population averages in height or intelligence may advance over time, regression to the mean serves as a counterweight, a stabilizing trend that helps keep cockiness in check. extracted from regressionn. < as lemmas
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