منابع مشابه
M - Methods in Multivariate Linear Models
Two types of M-estimators of the parameters of the multi-variate linear model are considered. The first type corresponds to coordinatewise M-estimators; the second is an extension of Maronna's (1976) proposal for the multivariate location case. Under some general conditions on the error distribution, on the design matrix and on the score functions, the asymptotic distribution of the coordinatew...
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For example, we may have (i) measurements of d = 5 air pollutants (CO, NO, etc.) on n = 42 widely-separated days, (ii) d test scores for n different students, (iii) best results for d Olympic events for teams from n different countries, or (iv) d different physical measurements for n individuals (human or animal) that we are trying to classify. In each case, the i row corresponds to the i multi...
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Path analysis is useful to explain the interrelationships among sets of observed variables in a causal chain. However, path analysis has been underutilized in health science and epidemiology research, because of its restrictive requirement of a complete causal ordering of variables. In order to solve this problem, we suggest the use of multivariate path models and derive a multivariate ”Calculu...
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The ABS methods, introduced by Abaffy, Broyden and Spedicato, aredirect iteration methods for solving a linear system where the$i$-th iteration satisfies the first $i$ equations, therefore a system of $m$ equations is solved in at most $m$ steps. In thispaper, we introduce a class of ABS-type methods for solving a full rowrank linear equations, w...
متن کاملOn the modified iterative methods for $M$-matrix linear systems
This paper deals with scrutinizing the convergence properties of iterative methods to solve linear system of equations. Recently, several types of the preconditioners have been applied for ameliorating the rate of convergence of the Accelerated Overrelaxation (AOR) method. In this paper, we study the applicability of a general class of the preconditioned iterative methods under certain conditio...
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ژورنال
عنوان ژورنال: Journal of Multivariate Analysis
سال: 1985
ISSN: 0047-259X
DOI: 10.1016/0047-259x(85)90077-6