单词	covariance
释义	covariance /kəʊˈvɛːrɪəns / noun 1 [mass noun] Mathematics The property of a function of retaining its form when the variables are linearly transformed.The matrix formulation of the model produces an estimate that can be easily transformed into genetic covariance and correlations.... If this occurs frequently, then MA experiments will be practically useless for studying any properties of mutational covariance. Contour plots of genetic covariance functions fitted by the character process model. 2 Statistics The mean value of the product of the deviations of two variates from their respective means.Statistically significant covariances among random intercepts, rates of change, and effects of depressed mood and delinquency variety are reported in the text only.... The demographic variances and covariances of the elements are inversely proportional to the total population size. The direct estimation approach does well in estimating the overall covariance function: on average, the covariances are estimated with an error of 15%.
随便看	base triple base triplet base unit base wallah base word base year bash basha basher bashert bashful bashfully bashfulness bashing Bashkir Bashkiria bashment basho bash on (or away) bash something out basic basically basic cable Basic English basicity

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