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covariance是什么意思

covariance

美[koʊ'verɪəns]  英[kəʊ'veərɪəns]
n.  共分散;协方差

英英释义

Noun
  1. (statistics) the mean value of the product of the deviations of two variates from their respective means

例句

用作名词(n.)
  1. Analysis of covariance is a combination of regression analysis and variance analysis.协方差分析足把直线回归与方差分析结合起来应用的一种方法。
  2. The data on covariance presently available are here.目前所能获得的关于协变的资料都在这儿。
  3. The theoretical foundation of the covariance is pertinence of system theory.协变性的理论基础是系统原理中的相关性。
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