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We derive ensembles of decision trees through a nonparametric Bayesian model, allowing us to view random forests as samples from a posterior distribution. This insight provides large gains in interpretability, and motivates a class of…

应用统计 · 统计学 2015-05-19 Matt Taddy , Chun-Sheng Chen , Jun Yu , Mitch Wyle

In this paper, an improved method for VR user experience prediction is investigated by introducing a sparrow search algorithm and a random forest algorithm improved by an iterative local search-optimised sparrow search algorithm. The study…

机器学习 · 计算机科学 2024-06-26 Xirui Tang , Feiyang Li , Zinan Cao , Qixuan Yu , Yulu Gong

This paper proposes a new optimal control synthesis algorithm for multi-robot systems under global temporal logic tasks. Existing planning approaches under global temporal goals rely on graph search techniques applied to a product automaton…

机器人学 · 计算机科学 2018-06-21 Yiannis Kantaros , Michael M. Zavlanos

We consider inference from non-random samples in data-rich settings where high-dimensional auxiliary information is available both in the sample and the target population, with survey inference being a special case. We propose a regularized…

统计方法学 · 统计学 2021-04-13 Yutao Liu , Andrew Gelman , Qixuan Chen

Species distribution models (SDMs) are increasingly used in ecology, biogeography, and wildlife management to learn about the species-habitat relationships and abundance across space and time. Distance sampling (DS) and capture-recapture…

统计方法学 · 统计学 2022-03-09 Narmadha M. Mohankumar , Trevor J. Hefley , Katy Silber , W. Alice Boyle

We introduce random survival forests, a random forests method for the analysis of right-censored survival data. New survival splitting rules for growing survival trees are introduced, as is a new missing data algorithm for imputing missing…

应用统计 · 统计学 2008-11-12 Hemant Ishwaran , Udaya B. Kogalur , Eugene H. Blackstone , Michael S. Lauer

This paper proposes a multi-spectral random forest classifier with suitable feature selection and masking for tree cover estimation in urban areas. The key feature of the proposed classifier is filtering out the built-up region using…

计算机视觉与模式识别 · 计算机科学 2023-06-12 Usman Nazir , Momin Uppal , Muhammad Tahir , Zubair Khalid

Inverse parameter estimation of process-based models is a long-standing problem in many scientific disciplines. A key question for inverse parameter estimation is how to define the metric that quantifies how well model predictions fit to…

种群与进化 · 定量生物学 2014-05-09 Florian Hartig , Claudia Dislich , Thorsten Wiegand , Andreas Huth

We address the problem where a mobile search agent seeks to find an unknown number of stationary objects distributed in a bounded search domain, and the search mission is subject to time/distance constraint. Our work accounts for false…

机器人学 · 计算机科学 2018-06-26 Harun Yetkin , Collin Lutz , Daniel Stilwell

Class imbalance poses a major challenge in different classification tasks, which is a frequently occurring scenario in many real-world applications. Data resampling is considered to be the standard approach to address this issue. The goal…

机器学习 · 计算机科学 2024-08-31 Asif Newaz , Md. Salman Mohosheu , MD. Abdullah al Noman , Taskeed Jabid

Regression is a fundamental prediction task common in data-centric engineering applications that involves learning mappings between continuous variables. In many engineering applications (e.g.\ structural health monitoring), feature-label…

Big Data is one of the major challenges of statistical science and has numerous consequences from algorithmic and theoretical viewpoints. Big Data always involve massive data but they also often include online data and data heterogeneity.…

Mixed modeling of extreme values and random effects is relatively unexplored topic. Computational difficulties in using the maximum likelihood method for mixed models and the fact that maximum likelihood method uses available data and does…

应用统计 · 统计学 2019-07-05 Ali Reza Fotouhi

Many classification problems are naturally multi-view in the sense their data are described through multiple heterogeneous descriptions. For such tasks, dissimilarity strategies are effective ways to make the different descriptions…

机器学习 · 计算机科学 2020-07-17 Simon Bernard , Hongliu Cao , Robert Sabourin , Laurent Heutte

Monitoring remote forests is a global challenge central to climate mitigation and biodiversity conservation, yet satellite observations are frequently limited by weather, dense canopies, and solar dependency. Here we show that passive…

We study how the amount of correlation between observations collected by distinct sensors/learners affects data collection and collaboration strategies by analyzing Fisher information and the Cramer-Rao bound. In particular, we consider a…

分布式、并行与集群计算 · 计算机科学 2022-06-02 Yu-Zhen Janice Chen , Daniel S. Menasche , Don Towsley

One of the challenges in online reinforcement learning (RL) is that the agent needs to trade off the exploration of the environment and the exploitation of the samples to optimize its behavior. Whether we optimize for regret, sample…

机器学习 · 计算机科学 2021-11-19 Jean Tarbouriech , Matteo Pirotta , Michal Valko , Alessandro Lazaric

We address the optimal sampling of a Wiener process under sampling and transmission costs, with the samples being forwarded to a remote estimator over a channel with IID delay. The goal of the estimator is to reconstruct the real-time…

网络与互联网体系结构 · 计算机科学 2025-02-20 Süleyman Çıtır , Orhan T. Yavaşcan , Elif Uysal

This paper presents an innovative framework for remote sensing image analysis by fusing deep learning techniques, specifically Convolutional Neural Networks (CNNs) and Long Short-Term Memory (LSTM) networks, with Geographic Information…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Sajjad Afroosheh , Mohammadreza Askari

Sparse residual tree (SRT) is an adaptive exploration method for multivariate scattered data approximation. It leads to sparse and stable approximations in areas where the data is sufficient or redundant, and points out the possible local…

数值分析 · 数学 2019-05-15 Xin Xu , Xiaopeng Luo
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