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Accurate diagnosis of disease is of great importance in clinical practice and medical research. The receiver operating characteristic (ROC) surface is a popular tool for evaluating the discriminatory ability of continuous diagnostic test…

统计方法学 · 统计学 2018-05-22 Vanda Inacio de Carvalho , Miguel de Carvalho , Adam Branscum

In this paper, we examine the validity of non-parametric spatial bootstrap as a procedure to quantify errors in estimates of N-point correlation functions. We do this by means of a small simulation study with simple point process models and…

天体物理学 · 物理学 2008-05-16 Ji Meng Loh

An algorithm is proposed for solving stochastic and finite sum minimization problems. Based on a trust region methodology, the algorithm employs normalized steps, at least as long as the norms of the stochastic gradient estimates are within…

最优化与控制 · 数学 2018-06-27 Frank E. Curtis , Katya Scheinberg , Rui Shi

Conditional probabilities are a core concept in machine learning. For example, optimal prediction of a label $Y$ given an input $X$ corresponds to maximizing the conditional probability of $Y$ given $X$. A common approach to inference tasks…

机器学习 · 计算机科学 2017-08-09 Yoav Wald , Amir Globerson

This paper develops valid bootstrap inference methods for the dynamic short panel threshold regression. We show that the standard nonparametric bootstrap is inconsistent for the first-differenced generalized method of moments (GMM)…

计量经济学 · 经济学 2025-11-18 Woosik Gong , Myung Hwan Seo

Meta-analyses of diagnostic test accuracy (DTA) studies have been gathering attention in research in clinical epidemiology and health technology development, and bivariate random-effects model is becoming a standard tool. However, standard…

统计方法学 · 统计学 2020-06-19 Tsubasa Ito , Shonosuke Sugasawa

Robotic systems, particularly in demanding environments like narrow corridors or disaster zones, often grapple with imperfect state estimation. Addressing this challenge requires a trajectory plan that not only navigates these restrictive…

机器人学 · 计算机科学 2023-09-19 Zhenyang Chen , Hongzhe Yu , Yongxin Chen

High-dimensional time series forecasting suffers from severe overfitting when the number of predictors exceeds available observations, making standard local projection methods unstable and unreliable. We propose an enhanced Random Subspace…

机器学习 · 计算机科学 2026-03-10 Eman Khalid , Moimma Ali Khan , Zarmeena Ali , Abdullah Illyas , Muhammad Usman , Saoud Ahmed

It is shown that bootstrap approximations of an estimator which is based on a continuous operator from the set of Borel probability measures defined on a compact metric space into a complete separable metric space is stable in the sense of…

统计理论 · 数学 2011-11-09 Andreas Christmann , Matias Salibian-Barrera , Stefan Van Aelst

Distribution forecast can quantify forecast uncertainty and provide various forecast scenarios with their corresponding estimated probabilities. Accurate distribution forecast is crucial for planning - for example when making production…

Sampling based methods are widely used for robotic motion planning. Traditionally, these samples are drawn from probabilistic ( or deterministic ) distributions to cover the state space uniformly. Despite being probabilistically complete,…

机器人学 · 计算机科学 2020-06-09 Rajat Kumar Jenamani , Rahul Kumar , Parth Mall , Kushal Kedia

Developing and fielding complex systems requires proof that they are reliably correct with respect to their design and operating requirements. Especially for autonomous systems which exhibit unanticipated emergent behavior, fully…

软件工程 · 计算机科学 2024-02-28 Matthew Litton , Doron Drusinsky , James Bret Michael

This paper analyses the use of bootstrap methods to test for parameter change in linear models estimated via Two Stage Least Squares (2SLS). Two types of test are considered: one where the null hypothesis is of no change and the alternative…

计量经济学 · 经济学 2020-02-03 Otilia Boldea , Adriana Cornea-Madeira , Alastair R. Hall

There is an increasing amount of literature focused on Bayesian computational methods to address problems with intractable likelihood. One approach is a set of algorithms known as Approximate Bayesian Computational (ABC) methods. One of the…

统计方法学 · 统计学 2015-10-27 Weixuan Zhu , Juan Miguel Marin , Fabrizio Leisen

A reasonable confidence interval should have a confidence coefficient no less than the given nominal level and a small expected length to reliably and accurately estimate the parameter of interest, and the bootstrap interval is considered…

统计理论 · 数学 2024-02-15 Weizhen Wang , Chongxiu Yu , Zhongzhan Zhang

Recently, direct data-driven prediction has found important applications for controlling unknown systems, particularly in predictive control. Such an approach provides exact prediction using behavioral system theory when noise-free data are…

系统与控制 · 电气工程与系统科学 2023-03-20 Mingzhou Yin , Andrea Iannelli , Roy S. Smith

In decision making problems for continuous state and action spaces, linear dynamical models are widely employed. Specifically, policies for stochastic linear systems subject to quadratic cost functions capture a large number of applications…

机器学习 · 计算机科学 2019-04-23 Mohamad Kazem Shirani Faradonbeh , Ambuj Tewari , George Michailidis

This guide aims at providing a general introduction to bootstrap methods. By using simple examples taken from nuclear physics, I discuss how such a method can be used to quantify error bars of an estimator. I also investigate the use of…

核理论 · 物理学 2019-05-22 A. Pastore

Bootstrap smoothed (bagged) estimators have been proposed as an improvement on estimators found after preliminary data-based model selection. Efron, 2014, derived a widely applicable formula for a delta method approximation to the standard…

统计方法学 · 统计学 2019-07-11 Paul Kabaila , Christeen Wijethunga

Bootstrapping was designed to randomly resample data from a fixed sample using Monte Carlo techniques. However, the original sample itself defines a discrete distribution. Convolutional methods are well suited for discrete distributions,…

统计方法学 · 统计学 2021-07-19 Jared M. Clark , Richard L. Warr