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Many simulation problems require the estimation of a ratio of two expectations. In recent years Monte Carlo estimators have been proposed that can estimate such ratios without bias. We investigate the theoretical properties of such…

统计理论 · 数学 2019-07-04 Sarat Moka , Dirk P. Kroese , Sandeep Juneja

In this paper, we study the prediction of a circularly symmetric zero-mean stationary Gaussian process from a window of observations consisting of finitely many samples. This is a prevalent problem in a wide range of applications in…

信息论 · 计算机科学 2017-05-10 Mahdi Barzegar Khalilsarai , Saeid Haghighatshoar , Giuseppe Caire , Gerhard Wunder

This work presents a non-parametric estimator for the cumulative distribution function (CDF) of the job-size distribution for a queue with compound Poisson input. The workload process is observed according to an independent Poisson sampling…

统计理论 · 数学 2025-12-11 Liron Ravner

There is currently a gap in theory for point patterns that lie on the surface of objects, with researchers focusing on patterns that lie in a Euclidean space, typically planar and spatial data. Methodology for planar and spatial data thus…

统计理论 · 数学 2020-02-11 Scott Ward , Edward A. K. Cohen , Niall Adams

We present an algorithm for testing halfspaces over arbitrary, unknown rotation-invariant distributions. Using $\tilde O(\sqrt{n}\epsilon^{-7})$ random examples of an unknown function $f$, the algorithm determines with high probability…

数据结构与算法 · 计算机科学 2018-11-02 Nathaniel Harms

Complex scientific models where the likelihood cannot be evaluated present a challenge for statistical inference. Over the past two decades, a wide range of algorithms have been proposed for learning parameters in computationally feasible…

统计计算 · 统计学 2021-12-16 Aden Forrow , Ruth E. Baker

We consider the problem of testing equality of functions $f_j:[0,1]\to \mathbb{R}$ for $j=1,2,...,J$ the basis of $J$ independent samples from possibly different distributions under the assumption that the functions are monotone. We provide…

统计理论 · 数学 2013-07-02 Cécile Durot , Piet Groeneboom , Hendrik P. Lopuhaä

In non-linear scales, the matter density distribution is not Gaussian. Consequently, the widely used two-point correlation function is not adequate anymore to capture the matter density field's entire behaviour. Among all statistics beyond…

宇宙学与河外天体物理 · 物理学 2022-04-20 Mohammad Ansari Fard , Zahra Baghkhani , Laya Ghodsi , Sina Taamoli , Farbod Hassani , Shant Baghram

Given a function f: {0,1}^n \to {0,1}, the f-isomorphism testing problem requires a randomized algorithm to distinguish functions that are identical to f up to relabeling of the input variables from functions that are far from being so. An…

数据结构与算法 · 计算机科学 2011-12-30 Eric Blais , Amit Weinstein , Yuichi Yoshida

We propose a distribution-free approach to the study of random geometric graphs. The distribution of vertices follows a Poisson point process with intensity function $nf(\cdot)$, where $n\in \mathbb{N}$, and $f$ is a probability density…

概率论 · 数学 2012-10-22 Srikanth K. Iyer , Debleena Thacker

In this paper we consider a class of nonparametric estimators of a distribution function F, with compact support, based on the theory of IFSs. The estimator of F is tought as the fixed point of a contractive operator T defined in terms of a…

统计理论 · 数学 2007-06-13 Stefano M. Iacus , Davide La Torre

In this paper, we consider statistical inference for Poisson-Laguerre tessellations in $\mathbb{R}^d$. The object of interest is a distribution function $F$ which uniquely determines the intensity measure of the underlying Poisson process.…

统计理论 · 数学 2025-12-04 Thomas van der Jagt , Geurt Jongbloed , Martina Vittorietti

The Sliced-Wasserstein distance (SW) is being increasingly used in machine learning applications as an alternative to the Wasserstein distance and offers significant computational and statistical benefits. Since it is defined as an…

机器学习 · 统计学 2022-01-05 Kimia Nadjahi , Alain Durmus , Pierre E. Jacob , Roland Badeau , Umut Şimşekli

Detecting dependence between two random variables is a fundamental problem. Although the Pearson correlation is effective for capturing linear dependency, it can be entirely powerless for detecting nonlinear and/or heteroscedastic patterns.…

统计方法学 · 统计学 2016-11-21 Xufei Wang , Bo Jiang , Jun S. Liu

We propose a novel statistical test to assess the mutual independence of multidimensional random vectors. Our approach is based on the $L_1$-distance between the joint density function and the product of the marginal densities associated…

统计理论 · 数学 2024-04-19 Nour-Eddine Berrahou , Salim Bouzebda , Lahcen Douge

This paper develops tests for inequality constraints of nonparametric regression functions. The test statistics involve a one-sided version of $L_p$-type functionals of kernel estimators $(1 \leq p < \infty)$. Drawing on the approach of…

统计理论 · 数学 2023-08-28 Sokbae Lee , Kyungchul Song , Yoon-Jae Whang

We study, through the diffusion Monte Carlo method, a spin one-half fermion fluid, in the three dimensional Euclidean space, at zero temperature. The point particles, immersed in a uniform "neutralizing" background, interact with a…

强关联电子 · 物理学 2013-07-11 Riccardo Fantoni

A class of improved estimators is proposed for N-point correlation functions of galaxy clustering, and for discrete spatial random processes in general. In the limit of weak clustering, the variance of the unbiased estimator converges to…

天体物理学 · 物理学 2007-05-23 István Szapudi , Alexander S. Szalay

We propose new goodness-of-fit tests for the Poisson distribution. The testing procedure entails fitting a weighted Poisson distribution, which has the Poisson as a special case, to observed data. Based on sample data, we calculate an…

统计方法学 · 统计学 2024-02-21 Winnie Kirui , Elzanie Bothma , Marius Smuts , Anke Steyn , Jaco Visagie

In this paper, we harness a result in point process theory, specifically the expectation of the weighted $K$-function, where the weighting is done by the true first-order intensity function. This theoretical result can be employed as an…

统计方法学 · 统计学 2024-03-13 Nicoletta D'Angelo , Giada Adelfio
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