covariance

英 [kəʊ'veərɪəns] 美 [koʊ'verɪəns]

• 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。

词汇搭配

• complex covariance 复协方差
• analysis covariance 协方差分析
• cross covariance 互协方差
• covariance matrix 协方差矩阵
• covariance function 协方差函数,积差函数...
• covariance method 协方差法,共变法...
• normalized covariance 归一化协变性...
• multiple covariance 多重方差
• covariance analysis 积差分析,协方差分析...
• population covariance 总体协方差
• covariance sequences [计] 协方差序列...