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## A Comparative Study

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### Ingram Olkin

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1st Edition - April 28, 1990

Author: Marvin H. J. Gruber

Editors: Gerald J. Lieberman, Ingram Olkin

eBook ISBN:

9 7 8 - 1 - 4 8 3 2 - 6 0 9 7 - 6

Regression Estimators: A Comparative Study presents, compares, and contrasts the development and the properties of the ridge type estimators that result from both Bayesian and… Read more

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Regression Estimators: A Comparative Study presents, compares, and contrasts the development and the properties of the ridge type estimators that result from both Bayesian and non-Bayesian (frequentist) methods. The book is divided into four parts. The first part (Chapters I and II) discusses the need for alternatives to least square estimators, gives a historical survey of the literature and summarizes basic ideas in Matrix Theory and Statistical Decision Theory used throughout the book. The second part (Chapters III and IV) covers the estimators from both the Bayesian and from the frequentist points of view and explores the mathematical relationships between them. The third part (Chapters V-VIII) considers the efficiency of the estimators with and without averaging over a prior distribution. Part IV, the final two chapters IX and X, suggests applications of the methods and results of Chapters III-VII to Kaiman Filters and Analysis of Variance, two very important areas of application. Statisticians and workers in fields that use statistical methods who would like to know more about the analytical properties of ridge type estimators will find the book invaluable.

PrefacePart I Introduction and Mathematical Preliminaries Chapter I. Introduction 1.0. Motivation for Writing This Book 1.1. Purpose of This Book 1.2. Least Square Estimators and the Need for Alternatives 1.3. Historical Survey 1.4. The Structure of the Book Chapter II. Mathematical and Statistical Preliminaries 2.0 Introduction 2.1 Matrix Theory Results 2.2 The Bayes Estimator 2.3 The Minimax Estimator 2.4 Criterion for Comparing Estimators: Theobald's 1974 Result 2.5 Some Useful Inequalities 2.6 Some Miscellaneous Useful Matrix Results 2.7 SummaryPart II The Estimators Chapter III. The Estimators 3.0. Introduction 3.1. The Least Square Estimator and Its Properties 3.2. The Generalized Ridge Regression Estimator 3.3. The Mixed Estimators 3.4. The Linear Minimax Estimator 3.5. The Bayes Estimator 3.6. Summary and Remarks Chapter IV. How the Different Estimators Are Related 4.0. Introduction 4.1. Alternative Forms of the Bayes Estimator Full Rank Case 4.2. Alternative Forms of the Bayes Estimator Non-Full Rank Case 4.3. The Equivalence of the Generalized Ridge Estimator and the Bayes Estimator 4.4. The Equivalence of the Mixed Estimator and the Bayes Estimator 4.5. Ridge Estimators in the Literature as Special Cases of the BE, Minimax Estimators, or Mixed Estimators 4.6. Extension of Results to the Case where U'FU Is Not Positive Definite 4.7. An Extension of the Gauss-Markov Theorem 4.8. Summary and RemarksPart III The Efficiencies of the Estimators Chapter V. Measures of Efficiency of the Estimators Chapter VI. The Average MSE 6.0. Introduction 6.1. The Forms of the MSE for the Minimax, Bayes and the Mixed Estimator 6.2. Relationship Between the Average Variance and the MSE 6.3. The Average Variance and the MSE of the BE 6.4. Alternative Forms of the MSE of the Mixed Estimator 6.5. Comparison of the MSE of Different BE 6.6. Comparison of the Ridge and Contraction Estimator's MSE 6.7. Summary and Remarks Chapter VII. The MSE Neglecting the Prior Assumptions 7.0. Introduction 7.1. The MSE of the BE 7.2 The MSE of the Mixed Estimators Neglecting the Prior Assumptions 7.3. The Comparison of the Conditional MSE of the Bayes Estimator and the Least Square Estimator and the Comparison of the Conditional and the Average MSE 7.4. The Comparison of the MSE of a Mixed Estimator with the LS Estimators 7.5. The Comparison of the MSE of Two BE 7.6. Summary Chapter VIII. The MSE for Incorrect Prior Assumptions 8.0. Introduction 8.1. The BE and Its MSE 8.2. The Minimax Estimator 8.3. The Mixed Estimator 8.4. Contaminated Priors 8.5. Contaminated (Mixed) Bayes Estimators 8.6. SummaryPart IV Applications Chapter IX. The Kaiman Filter 9.0. Introduction 9.1. The Kaiman Filter as a Bayes Estimator 9.2. The Kaiman Filter as a Recursive Least Square Estimator and the Connection with the Mixed Estimator 9.3. The Minimax Estimator 9.4. The Generalized Ridge Estimator 9.5. The Average MS 9.6. The MSE for Incorrect Initial Prior Assumptions 9.7. Applications 9.8. Recursive Ridge Regression 9.9. Summary Chapter X. Experimental Design Models 10.0. Introduction 10.1. The One Way ANOVA Model 10.2. The Bayes and Empirical Bayes Estimators 10.3. The Two Way Classification 10.4. The Bayes and Empirical Bayes Estimators 10.5. Summary Appendix to Section 10.2BibliographyAuthor IndexSubject Index

- No. of pages: 360
- Language: English
- Published: April 28, 1990
- Imprint: Academic Press
- eBook ISBN: 9781483260976

IO

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Stanford University, California