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This paper develops goodness of fit statistics that can be used to formally assess Markov random field models for spatial data, when the model distributions are discrete or continuous and potentially parametric. Test statistics are formed…

统计理论 · 数学 2012-05-29 Mark S. Kaiser , Soumendra N. Lahiri , Daniel J. Nordman

In 2017-2020 Jordanova and co-authors investigate probabilities for p-outside values and determine them in many particular cases. They show that these probabilities are closely related to the concept for heavy tails. Tukey's boxplots are…

统计方法学 · 统计学 2024-10-22 Pavlina K. Jordanova

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

Common approaches to inference for structural and reduced-form parameters in empirical economic analysis are based on the consistency and the root-n asymptotic normality of the GMM and M estimators. The canonical consistency (respectively,…

计量经济学 · 经济学 2020-09-04 Yuya Sasaki , Yulong Wang

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…

Due to the lack of a canonical ordering in ${\mathbb R}^d$ for $d>1$, defining multivariate generalizations of the classical univariate ranks has been a long-standing open problem in statistics. Optimal transport has been shown to offer a…

统计理论 · 数学 2024-09-11 Hongjian Shi , Mathias Drton , Marc Hallin , Fang Han

Testing hypotheses of goodness-of-fit about mixture distributions on the basis of independent but not necessarily identically distributed random vectors is considered. The hypotheses are given by a specific distribution or by a family of…

统计理论 · 数学 2016-04-21 Daniel Gaigall

The issue of combining individual $p$-values to aggregate multiple small effects is prevalent in many scientific investigations and is a long-standing statistical topic. Many classical methods are designed for combining independent and…

统计方法学 · 统计学 2021-09-08 Yusi Fang , George C. Tseng , Chung Chang

In this paper, a novel test for testing whether data are Missing Completely at Random is proposed. Asymptotic properties of the test are derived utilizing the theory of non-degenerate U-statistics. It is shown that the novel test statistic…

统计理论 · 数学 2023-10-31 Danijel Aleksić

Multivariate extreme value theory is concerned with modeling the joint tail behavior of several random variables. Existing work mostly focuses on asymptotic dependence, where the probability of observing a large value in one of the…

统计理论 · 数学 2022-07-11 Michaël Lalancette , Sebastian Engelke , Stanislav Volgushev

Let $X_k$ denote the number of $k$-term arithmetic progressions in a random subset of $\mathbb{Z}/N\mathbb{Z}$ or $\{1, \dots, N\}$ where every element is included independently with probability $p$. We determine the asymptotics of $\log…

The exact maximum likelihood estimate (MLE) provides a test statistic for the unit root test that is more powerful \citep[p. 577]{Fuller96} than the usual least squares approach. In this paper a new derivation is given for the asymptotic…

统计理论 · 数学 2016-11-04 Ying Zhang , H. Yu , A. I. McLeod

Motivated by real-world machine learning applications, we analyze approximations to the non-asymptotic fundamental limits of statistical classification. In the binary version of this problem, given two training sequences generated according…

信息论 · 计算机科学 2018-12-07 Lin Zhou , Vincent Y. F. Tan , Mehul Motani

In the present paper, we develop a new goodness-of-fit test for the Birnbaum- Saunders distribution based on the probability plot. We utilize the sample correlation coefficient from the Birnbaum-Saunders probability plot as a measure of…

应用统计 · 统计学 2023-08-22 Chanseok Park , Min Wang

There are many ways of measuring and modeling tail-dependence in random vectors: from the general framework of multivariate regular variation and the flexible class of max-stable vectors down to simple and concise summary measures like the…

概率论 · 数学 2022-12-05 Anja Janßen , Sebastian Neblung , Stilian Stoev

Let $X_{1,n}\le\cdots\le X_{n,n}$ be the order statistics of $n$ independent random variables with a common distribution function $F$ having right heavy tail with tail index $\gamma$. Given known constants $d_{i,n}$, $1\le i\le n$, consider…

概率论 · 数学 2021-04-13 Lillian Achola Oluoch , László Viharos

The most fundamental problem in statistics is the inference of an unknown probability distribution from a finite number of samples. For a specific observed data set, answers to the following questions would be desirable: (1) Estimation:…

统计理论 · 数学 2013-01-23 Ali Kinkhabwala

Let $M_n^{(k)}$ denote the $k$th largest maximum of a sample $(X_1,X_2,...,X_n)$ from parent $X$ with continuous distribution. Assume there exist normalizing constants $a_n>0$, $b_n\in \mathbb{R}$ and a nondegenerate distribution $G$ such…

统计理论 · 数学 2008-10-06 Zuoxiang Peng , Jiaona Li , Saralees Nadarajah

Given samples from two non-negative random variables, we propose a family of tests for the null hypothesis that one random variable stochastically dominates the other at the second order. Test statistics are obtained as functionals of the…

统计理论 · 数学 2023-10-16 Tommaso Lando , Sirio Legramanti

The paper presents a new statistical method that enables the use of systematic errors in the maximum-likelihood regression of integer-count Poisson data to a parametric model. The method is primarily aimed at the characterization of the…

天体物理仪器与方法 · 物理学 2024-07-18 Max Bonamente , Yang Chen , Dale Zimmerman