C. R. Henderson, the Statistician; And His Contributions to Variance Components Estimation
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چکیده
منابع مشابه
C. R. Henderson: contributions to the dairy industry.
Through C. R. Henderson's position and the application of his knowledge, he had a major influence on genetic improvement in dairy cattle beginning in the 1950s. He developed herdmate comparisons in the United States. The first extensive program using pedigree selection and progeny testing of sires for use in AI was because of his suggestion. This program established the direction of dairy cattl...
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Charles R. Henderson was proud to be a product of a farm in Page County, Iowa. He was a one man track team in Coin, Iowa, and a brilliant student. He became a world class competitor in track at Iowa State College and, at the same time, compiled a top academic record. His early experiences set the stage for the exceptional contributions of his animal breeding career, which did not begin until he...
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متن کاملReliable computing in estimation of variance components.
The purpose of this study is to present guidelines in selection of statistical and computing algorithms for variance components estimation when computing involves software packages. For this purpose two major methods are to be considered: residual maximal likelihood (REML) and Bayesian via Gibbs sampling. Expectation-Maximization (EM) REML is regarded as a very stable algorithm that is able to ...
متن کاملVariance Components Estimation in Generalized Orthogonal Models
The model y = ∑w j=1 Xjβj + e is generalized orthogonal if the orthogonal projection matrices on the range spaces of matrices Xj , j = 1, ..., w, commute. Unbiased estimators are obtained for the variance components of such models with cross-nesting.
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ژورنال
عنوان ژورنال: Journal of Dairy Science
سال: 1991
ISSN: 0022-0302
DOI: 10.3168/jds.s0022-0302(91)78599-8