covariance
英[kəʊ'veərɪəns]
美[koʊ'verɪəns]
- n. 共分散；协方差
详细释义
Noun:
-
(statistics) the mean value of the product of the deviations of two variates from their respective means
双语例句
- 1. 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.
来自辞典例句
- 2. Covariance analysis was used to analyze herbicide efficacy data from rapeseed experiments.
- 摘要采用协方差分析方法,对油菜田除草剂的试验结果进行了分析.
来自互联网
- 3. 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.
来自互联网
- 4. Returns the covariance of two series evaluated over a set ( biased ).
- 返回在某一集合上对两个系列求得的协方差 ( 偏置填充 ).
来自互联网
- 5. Covariance analysis with forward stepwise variable selection was carried out.
- 统计方法采用逐步向前变量选择协方差分析.
来自互联网
- 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。 - 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。 - 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。
用作名词 (n.)
用法讲解
- 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...
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