Non-Regular Statistical Estimation by Kei Takeuchi (English) Paperback Book

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Non-Regular Statistical Estimation by Kei Takeuchi, Masafumi Akahira

In order to obtain many of the classical results in the theory of statistical estimation, it is usual to impose regularity conditions on the distributions under consideration.

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In order to obtain many of the classical results in the theory of statistical estimation, it is usual to impose regularity conditions on the distributions under consideration. In small and large sample theories of estimation there are well established sets of regularity conditions, and it is worthwhile to examine what may follow if anyone of these regularity conditions fail to hold. "Non-regular estimation" literally means the theory if statistical estimation when some or other of the regularity conditions fail to hold. In this monograph, the authors present a systematic study of the meaning and implications of regularity conditions, and show how the relaxation of such conditions can often lead to surprising conclusions. Their emphasis is on considering small sample results and to show how pathological examples may be considered in this broader framework.

Table of Contents

1. General discussions on unbiased estimation.- 1.1. Formulation.- 1.2. Undominated case.- 1.3. The support depending on the parameter.- 1.4. Discrete parameter set.- 1.5. Discontinuous and non-differentiable density.- 1.6. Non square-integrable likelihood ratio.- 1.7. Asymptotic theory for non-regular cases.- 1.8. Asymptotic Bayes posterior distribution of the parameter in non-regular cases.- 1.9. Overview.- 2. Lower bound for the variance of unbiased estimators.- 2.1. Minimum variance.- 2.2. Bhattacharyya type bound for the variance of unbiased estimators in non-regular cases.- 2.3. Lower bound for the variance of unbiased estimators for one-directional distributions.- 2.4. A second type of one-directional distribution and the lower bound for the variance of unbiased estimators.- 2.5. Locally minimum variance unbiased estimation.- 3. Amounts of information and the minimum variance unbiased estimation.- 3.1. Fisher information and the minimum variance unbiased estimation.- 3.2. Examples on unbiased estimators with zero variance.- 3.3. A definition of the generalized amount of information.- 3.4. Examples on the generalized amount of information.- 3.5. Order of consistency.- 4. Loss of information associated with the order statistics and related estimators in the case of double exponential distributions.- 4.1. Loss of information of the order statistics.- 4.2. The asymptotic loss of information.- 4.3. Proofs of Theorems in Section 4.2.- 4.4. Discretized likelihood estimation.- 4.5. Second order asymptotic comparison of the discretized likelihood estimator with others.- 5. Estimation of a common parameter for pooled samples from the uniform distributions and the double exponential distributions.- 5.1. Estimators of a common parameter for the uniform distributions.- 5.2. Comparison of the quasi-MLE, the weighted estimator and others for the uniform distributions.- 5.3. Estimators of a common parameter for the double exponential distributions.- 5.4. Second order asymptotic comparison of the estimators for the double exponential distributions.- 6. Higher order asymptotics in estimation for two-sided Weibull type distributions.- 6.1. The 2?-th order asymptotic bound for the distribution of 2?-th order AMU estimators.- 6.2. Proofs of Lemmas and Theorem in Section 6.1.- 6.3. The 2?-th order asymptotic distribution of the maximum likelihood estimator.- 6.4. The amount of the loss of asymptotic information of the maximum likelihood estimator.- 7. "3/2-th" and second order asymptotics of the generalized Bayes estimators for a family of truncated distributions.- 7.1. Definitions and assumptions.- 7.2. Generalized Bayes estimators for a family of truncated distributions.- 7.3. Second order asymptotic bound in symmetrically truncated densities.- 7.4. Maximum probability estimation.- 7.5. Examples.- 7.6. Some remarks.- Supplement. The bound for the asymptotic distribution of estimators when the maximum order of consistency depends on the parameter.- 5.1. Order of consistency depending on the parameter.- 5.2. The bound for the asymptotic distribution of AMU estimators in the autoregressive process.- References.

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Long Description

In order to obtain many of the classical results in the theory of statistical estimation, it is usual to impose regularity conditions on the distributions under consideration. In small sample and large sample theories of estimation there are well established sets of regularity conditions, and it is worth while to examine what may follow if any one of these regularity conditions fail to hold. "Non-regular estimation" literally means the theory of statistical estimation when some or other of the regularity conditions fail to hold. In this monograph, the authors present a systematic study of the meaning and implications of regularity conditions, and show how the relaxation of such conditions can often lead to surprising conclusions. Their emphasis is on considering small sample results and to show how pathological examples may be considered in this broader framework.

Details ISBN0387945784 Author Masafumi Akahira Publisher Springer-Verlag New York Inc. Series Lecture Notes in Statistics Year 1995 ISBN-10 0387945784 ISBN-13 9780387945781 Format Paperback Imprint Springer-Verlag New York Inc. Place of Publication New York, NY Country of Publication United States DEWEY 519.5 Short Title NON-REGULAR STATISTICAL ESTIMA Language English Media Book Series Number 107 Birth 1945 Publication Date 1995-08-18 Pages 188 Illustrations VIII, 188 p. DOI AU Release Date 1995-08-18 NZ Release Date 1995-08-18 US Release Date 1995-08-18 UK Release Date 1995-08-18 Edition Description Softcover reprint of the original 1st ed. 1995 Audience Postgraduate, Research & Scholarly Country of Origin US Product Class Description Economics: Professional & General Alternative 9781461225546
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