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AuthorRychlik, Tomasz. author
TitleProjecting Statistical Functionals [electronic resource] / by Tomasz Rychlik
ImprintNew York, NY : Springer New York, 2001
Connect tohttp://dx.doi.org/10.1007/978-1-4612-2094-7
Descript IX, 175 p. online resource

SUMMARY

About 10 years ago I began studying evaluations of distributions of orยญ der statistics from samples with general dependence structure. Analyzing in [78] deterministic inequalities for arbitrary linear combinations of order statistics expressed in terms of sample moments, I observed that we obtain the optimal bounds once we replace the vectors of original coefficients of the linear combinations by the respective Euclidean norm projections onto the convex cone of vectors with nondecreasing coordinates. I further veriยญ fied that various optimal evaluations of order and record statistics, derived earlier by use of diverse techniques, may be expressed by means of projecยญ tions. In Gajek and Rychlik [32], we formulated for the first time an idea of applying projections onto convex cones for determining accurate moment bounds on the expectations of order statistics. Also for the first time, we presented such evaluations for non parametric families of distributions difยญ ferent from families of arbitrary, symmetric, and nonnegative distributions. We realized that this approach makes it possible to evaluate various funcยญ tionals of great importance in applied probability and statistics in different restricted families of distributions. The purpose of this monograph is to present the method of using proยญ jections of elements of functional Hilbert spaces onto convex cones for esยญ tablishing optimal mean-variance bounds of statistical functionals, and its wide range of applications. This is intended for students, researchers, and practitioners in probability, statistics, and reliability


CONTENT

1 Introduction and Notation -- 1.1 Introduction -- 1.2 Notation -- 2 Basic Notions -- 2.1 Elements of Hilbert Space Theory -- 2.2 Statistical Linear Functionals -- 2.3 Restricted Families of Distributions -- 3 Quantiles -- 3.1 General and Symmetric Distributions -- 3.2 Distributions with Monotone Density and Failure Rate -- 3.3 Distributions with Monotone Density and Failure Rate on the Average -- 3.4 Symmetric Unimodal Distributions -- 3.5 Open Problems -- 4 Order Statistics of Independent Samples -- 4.1 General and Symmetric Distributions -- 4.2 Life Distributions with Decreasing Density and Failure Rate -- 4.3 Distributions with Monotone Density and Failure Rate on the Average -- 4.4 Symmetric Unimodal Distributions -- 4.5 Bias of Quantile Estimates -- 4.6 Open Problems -- 5 Order Statistics of Dependent Observations -- 5.1 Dependent Observations with Given Marginal Distribution -- 5.2 General and Symmetric Distributions -- 5.3 Distributions with Monotone Density and Failure Rate -- 5.4 Distributions with Monotone Density and Failure Rate on the Average -- 5.5 Symmetric Unimodal and U-Shaped Distributions -- 5.6 Bias of Quantile Estimates -- 5.7 Extreme Effect of Dependence -- 5.8 Open Problems -- 6 Records and kth Records -- 6.1 Dependent Identically Distributed Observations -- 6.2 General and Symmetric Distributions -- 6.3 Life Distributions with Decreasing Density and Failure Rate -- 6.4 Increments of Records -- 6.5 Open Problems -- 7 Predictions of Order and Record Statistics -- 7.1 General Distributions -- 7.2 Distributions with Decreasing Density and Failure Rate -- 7.3 Open Problems -- 8 Further Research Directions -- References -- Author Index


Statistics Statistics Statistical Theory and Methods



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