协方差
协方差分析
数学
协方差函数
总协方差定律
应用数学
观察研究
指数族
钥匙(锁)
有理二次协方差函数
统计
分解
指数函数
协方差交集
计量经济学
协方差函数
计算机科学
数学分析
生物
计算机安全
生态学
作者
Cox Dr,Peter McCullagh
出处
期刊:PubMed
日期:1982-09-01
卷期号:38 (3): 541-61
被引量:48
摘要
An account from first principles is given of a number of aspects of analysis of covariance. Six different meanings of analysis of covariance are outlined and the history of this technique is sketched briefly. The development of the key formulae from the method of least squares is described, and generalizations to other distributions in the exponential family are mentioned. Special problems of application in randomized experiments and in observational studies are discussed. Finally, the decomposition of regression relations is considered along with components of covariance.
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