Empirical Process Techniques for Dependent Data

Herold Dehling () and Walter Philipp ()
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Herold Dehling: Ruhr-Universität Bochum, Fakultät Für Mathematik
Walter Philipp: University of Illinois at Urbana-Champaign, Department of Statistics

A chapter in Empirical Process Techniques for Dependent Data, 2002, pp 3-113 from Springer

Abstract: Abstract Let (X k) k≥1 be a sequence of random variables with common distribution function F(x) = P(X 1 ≤ x). Define the empirical distribution function $$ {{F}_{n}}(x) = \frac{1}{n}\# \{ 1 \leqslant i \leqslant n:{{X}_{1}} \leqslant x\} , $$ and the empirical process by $$ \sqrt {n} ({{F}_{n}}(x) - F(x)) $$ In this chapter we provide a survey of classical as well as modern techniques in the study of empirical processes of dependent data. We begin with a sketch of the early roots of the field in the theory of uniform distribution mod 1, of sequences defined by X k = {n k ω}, ω ∈ [0, 1], dating back to Weyl’s celebrated 1916 paper. In the second section we provide the essential tools of empirical process theory, and we prove Donsker’s classical empirical process invariance principle for i.i.d. processes. The third section provides an introduction to the subject of weakly dependent random variables. We introduce a variety of mixing concepts, provide necessary technical tools like correlation and moment inequalities, and prove central limit theorems for partial sums. The empirical process of weakly dependent data is investigated in the fourth section, where we put special emphasis on almost sure approximation techniques. The fifth section is devoted to the empirical distribution of U-statistics, defined as $$ Un(x) = {{\left( {\begin{array}{*{20}{c}} n \\ 2 \\ \end{array} } \right)}^{{ - 1}}}\# \{ 1 \leqslant i

Keywords: Dependent Data; Invariance Principle; Empirical Process; Iterate Logarithm; Empirical Distribution Function (search for similar items in EconPapers)
Date: 2002
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DOI: 10.1007/978-1-4612-0099-4_1

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