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Let $(X_1,Y_1),\ldots,(X_n,Y_n)$ be an i.i.d. sample from a bivariate distribution function that lies in the max-domain of attraction of an extreme value distribution. The asymptotic joint distribution of the standardized component-wise…

This article demonstrates how recent developments in the theory of empirical processes allow us to construct a new family of asymptotically distribution-free smooth tests. Their distribution-free property is preserved even when the…

统计理论 · 数学 2026-02-24 Xiangyu Zhang , Sara Algeri

In this article, we introduce the notion of free subexponentiality, which extends the notion of subexponentiality in the classical probability setup to the noncommutative probability spaces under freeness. We show that distributions with…

概率论 · 数学 2013-03-19 Rajat Subhra Hazra , Krishanu Maulik

In this paper, according to a certain criterion, we divide the exponential distribution class into three subclasses. One of them is closely related to the regular-variation-tailed distribution class, so it is called the…

概率论 · 数学 2018-05-30 Zhaolei Cui , Edward Omey , Wenyuan Wang , Yuebao Wang

We derive in this article the asymptotic behavior as well as non-asymptotical estimates of tail of distribution for self-normalized sums of random variables (r.v.) under natural classical norming. We investigate also the case of…

概率论 · 数学 2017-10-10 E. Ostrovsky , L. Sirota

We consider distinguishing between two distribution tail models when tails of one model are lighter (or heavier) than those of the other. Two procedures are proposed: one scale-free and one location- and scale-free, and their asymptotic…

统计理论 · 数学 2024-07-31 Igor Rodionov

This article introduces a non-parametric information-theoretic approach to inference about the tail of a continuous or a discrete distribution. Leveraging a new concept named tail profile -- a set of information-theoretic quantities…

应用统计 · 统计学 2025-03-19 Jialin Zhang , Zhiyi Zhang

Let F be a distribution function with negative mean and regularly varying right tail. Under a mild smoothness condition we derive higher order asymptotic expansions for the tail distribution of the maxima of the random walk generated by F.…

概率论 · 数学 2007-05-23 Ph . Barbe , W. P. McCormick , C. Zhang

We consider the sums $S_n=\xi_1+\cdots+\xi_n$ of independent identically distributed random variables. We do not assume that the $\xi$'s have a finite mean. Under subexponential type conditions on distribution of the summands, we find the…

概率论 · 数学 2013-03-20 D. Denisov , S. Foss , D. Korshunov

Both empirical and theoretical investigations of scale-free network models have found that large degrees in a network exert an outsized impact on its structure. However, the tools used to infer the tail behavior of degree distributions in…

统计理论 · 数学 2024-10-31 Daniel Cirkovic , Tiandong Wang , Daren B. H. Cline

This paper discusses asymptotically distribution free tests for the classical goodness-of-fit hypothesis of an error distribution in nonparametric regression models. These tests are based on the same martingale transform of the residual…

统计理论 · 数学 2009-09-02 Estate V. Khmaladze , Hira L. Koul

For measuring tail risk with scarce extreme events, extreme value analysis is often invoked as the statistical tool to extrapolate to the tail of a distribution. The presence of large datasets benefits tail risk analysis by providing more…

统计方法学 · 统计学 2023-12-18 Liujun Chen , Deyuan Li , Chen Zhou

The study of loss function distributions is critical to characterize a model's behaviour on a given machine learning problem. For example, while the quality of a model is commonly determined by the average loss assessed on a testing set,…

机器学习 · 计算机科学 2023-06-06 Etrit Haxholli , Marco Lorenzi

In this paper we are concerned with a sample of asymptotically independent risks. Tail asymptotic probabilities for linear combinations of randomly weighted order statistics are approximated under various assumptions, where the individual…

概率论 · 数学 2014-06-24 Alexandru V. Asimit , Enkelejd Hashorva , Dominik Kortschak

This paper gives a general method for deriving limiting distributions of complete case statistics for missing data models from corresponding results for the model where all data are observed. This provides a convenient tool for obtaining…

统计理论 · 数学 2013-02-20 Hira L. Koul , Ursula U. Müller , Anton Schick

Proliferating cell populations at steady state growth often exhibit broad protein distributions with exponential tails. The sources of this variation and its universality are of much theoretical interest. Here we address the problem by…

种群与进化 · 定量生物学 2008-07-24 Tamar Friedlander , Naama Brenner

We study a stylized multiple testing problem where the test statistics are independent and assumed to have the same distribution under their respective null hypotheses. We first show that, in the normal means model where the test statistics…

统计理论 · 数学 2016-04-27 Ery Arias-Castro , Shiyun Chen

We consider goodness-of-fit tests of symmetric stable distributions based on weighted integrals of the squared distance between the empirical characteristic function of the standardized data and the characteristic function of the standard…

统计理论 · 数学 2009-01-06 Muneya Matsui , Akimichi Takemura

In traditional extreme value analysis, the bulk of the data is ignored, and only the tails of the distribution are used for inference. Extreme observations are specified as values that exceed a threshold or as maximum values over distinct…

应用统计 · 统计学 2021-10-20 Mitchell Krock , Julie Bessac , Michael L. Stein , Adam H. Monahan

Despite the successes of probabilistic models based on passing noise through neural networks, recent work has identified that such methods often fail to capture tail behavior accurately, unless the tails of the base distribution are…

机器学习 · 统计学 2023-06-16 Feynman Liang , Liam Hodgkinson , Michael W. Mahoney
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