DTIC ADA031399: Least Absolute Value Estimators for pdf

DTIC ADA031399: Least Absolute Value Estimators for

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This paper concerns itself with the problem of estimating the parameters in a one-way and two-way classification model by minimizing the sum of the absolute deviations of the regression function from the observed points. The one-way model reduces to obtaining a set of medians from which optimal parameters can be obtained by simple arithmetic manipulations. The two-way model is transformed into a specially structured linear programming problem and two algorithms are presented to solve this problem. The occurrence of alternative optimal solutions in both models is discussed, and numerical examples are presented. (Author

• Creator/s: Defense Technical Information Center
• Date: 6/1/1976
• Year: 1976
• Book Topics/Themes: DTIC Archive, Armstrong, R D, Frome, E L, TEXAS UNIV AT AUSTIN CENTER FOR CYBERNETIC STUDIES, *RANDOM VARIABLES, *LINEAR PROGRAMMING, *REGRESSION ANALYSIS, *LEAST SQUARES METHOD, *OPERATIONS RESEARCH, MATHEMATICAL MODELS, ALGORITHMS, NUMERICAL ANALYSIS, TOPOLOGY, STATISTICAL DISTRIBUTIONS, SET THEORY, CURVE FITTING

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