covariance，英語單詞，主要用作名詞，作名詞時譯為“[數] 協方差；共分散”。
基本介紹
- 外文名：covariance
- 詞性：名詞
- 英式發音：[kəʊ'veərɪəns]
- 美式發音：[ko'vɛrɪəns]
單詞用法,短語搭配,
單詞用法
柯林斯英漢雙解大詞典
covariance /kəʊˈvɛərɪəns/
1.N a measure of the association between two random variables, equal to the expected value of the product of the deviations from the mean of the two variables, and estimated by the sum of products of deviations from the sample mean for associated values of the two variables, divided by the number of sample points. Written as Cov (X, Y) 協方差 [statistics]
短語搭配
covariance matrix[數] 協方差矩陣 ; 共變異數矩陣 ; 共變數矩陣
complex covariance[數] 復協方差
covariance principle 共變原理
covariance functional 協方差泛函式
covariance components 協方差分量 ; 協組件
environmental covariance 環境協方差 ; 環境變積
covariance partitioning 協方差分割法 ; 協方差的分割法
covariance localization 誤差協方差的局地化
zero covariance[數] 零協方差
