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Jointly identifying a mixture of discrete and continuous factors of variability without supervision is a key problem in unraveling complex phenomena. Variational inference has emerged as a promising method to learn interpretable mixture…

机器学习 · 计算机科学 2021-04-14 Yeganeh M. Marghi , Rohan Gala , Uygar Sümbül

Understanding and evaluating uncertainty play a key role in decision-making. When a viewer studies a visualization that demands inference, it is necessary that uncertainty is portrayed in it. This paper showcases the importance of…

人机交互 · 计算机科学 2023-01-19 Krisha Mehta

Standard approaches for variable selection in linear models are not tailored to deal properly with high-dimensional and incomplete data. Currently, methods dedicated to high-dimensional data handle missing values by ad-hoc strategies, like…

统计方法学 · 统计学 2021-06-09 Avner Bar-Hen , Vincent Audigier

Uncertainty quantification for Particle Image Velocimetry (PIV) is critical for comparing flow fields with Computational Fluid Dynamics (CFD) results, and model design and validation. However, PIV features a complex measurement chain with…

流体动力学 · 物理学 2021-07-07 Lalit K. Rajendran , Sayantan Bhattacharya , Sally P. M. Bane , Pavlos P. Vlachos

Feature screening is an important method to reduce the dimension and capture informative variables in ultrahigh-dimensional data analysis. Many methods have been developed for feature screening. These methods, however, are challenged by…

统计方法学 · 统计学 2019-01-08 Li-Pang Chen

Varying coefficient model is often used in statistical modeling since it is more flexible than the parametric model. However, model detection and variable selection of varying coefficient model are poorly understood in mode regression.…

统计方法学 · 统计学 2020-09-23 Xuejun Ma , Yue Du , Jingli Wang

Through case studies, we demonstrate how multiverse analysis can strengthen the robustness and transparency of computational social science findings against alternative methodological decisions. We conduct multiverse analyses of three…

其他统计学 · 统计学 2026-05-20 Maximilian Linde , Jun Sun , Paul Balluff , Danica Radovanović , Chung-hong Chan

Support vector machines (SVM) is one of the well known supervised classes of learning algorithms. Furthermore, the conic-segmentation SVM (CS-SVM) is a natural multiclass analogue of the standard binary SVM, as CS-SVM models are dealing…

机器学习 · 计算机科学 2022-09-23 Shen Peng , Gianpiero Canessa , Zhihua Allen-Zhao

Support vector machine (SVM) is a powerful classification method that has achieved great success in many fields. Since its performance can be seriously impaired by redundant covariates, model selection techniques are widely used for SVM…

机器学习 · 统计学 2022-07-25 Chaoxia Yuan , Chao Ying , Zhou Yu , Fang Fang

We propose a new optimization framework for aleatoric uncertainty estimation in regression problems. Existing methods can quantify the error in the target estimation, but they tend to underestimate it. To obtain the predictive uncertainty…

计算机视觉与模式识别 · 计算机科学 2021-03-12 Takumi Kawashima , Qing Yu , Akari Asai , Daiki Ikami , Kiyoharu Aizawa

Neural networks are widely adopted to solve complex and challenging tasks. Especially in high-stakes decision-making, understanding their reasoning process is crucial, yet proves challenging for modern deep networks. Feature visualization…

计算机视觉与模式识别 · 计算机科学 2026-02-18 Ada Gorgun , Bernt Schiele , Jonas Fischer

Unwanted variation, including hidden confounding, is a well-known problem in many fields, particularly large-scale gene expression studies. Recent proposals to use control genes --- genes assumed to be unassociated with the covariates of…

统计方法学 · 统计学 2026-02-02 David Gerard , Matthew Stephens

Real-time visibility determination in expansive or dynamically changing environments has long posed a significant challenge in computer graphics. Existing techniques are computationally expensive and often applied as a precomputation step…

图形学 · 计算机科学 2025-09-30 Xiangyu Wang , Thomas Köhler , Jun Lin Qiu , Shohei Mori , Markus Steinberger , Dieter Schmalstieg

This paper considers the problem of variable selection allowing for parameter instability. It distinguishes between signal and pseudo-signal variables that are correlated with the target variable, and noise variables that are not, and…

计量经济学 · 经济学 2024-07-17 Alexander Chudik , M. Hashem Pesaran , Mahrad Sharifvaghefi

Computer Vision (CV) has achieved remarkable results, outperforming humans in several tasks. Nonetheless, it may result in significant discrimination if not handled properly as CV systems highly depend on the data they are fed with and can…

计算机视觉与模式识别 · 计算机科学 2022-06-24 Simone Fabbrizzi , Symeon Papadopoulos , Eirini Ntoutsi , Ioannis Kompatsiaris

Dimension reduction and data visualization aim to project a high-dimensional dataset to a low-dimensional space while capturing the intrinsic structures in the data. It is an indispensable part of modern data science, and many dimensional…

机器学习 · 统计学 2022-10-26 Rong Ma , Eric D. Sun , James Zou

Analysis of high-dimensional data is currently a popular field of research, thanks to many applications e.g. in genetics (DNA data in genomewide association studies), spectrometry or web analysis. At the same time, the type of problems that…

统计方法学 · 统计学 2018-05-25 Jozef Jakubik

Composed Video Retrieval (CVR) is a challenging video retrieval task that utilizes multi-modal queries, consisting of a reference video and modification text, to retrieve the desired target video. The core of this task lies in understanding…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Zhiwei Chen , Yupeng Hu , Zixu Li , Zhiheng Fu , Haokun Wen , Weili Guan

As a technique that can compactly represent complex patterns, machine learning has significant potential for predictive inference. K-fold cross-validation (CV) is the most common approach to ascertaining the likelihood that a machine…

机器学习 · 统计学 2026-04-24 Juan M Gorriz , R. Martin Clemente , F Segovia , J Ramirez , A Ortiz , J. Suckling

Estimation of structure, such as in variable selection, graphical modelling or cluster analysis is notoriously difficult, especially for high-dimensional data. We introduce stability selection. It is based on subsampling in combination with…

统计方法学 · 统计学 2009-05-16 Nicolai Meinshausen , Peter Buehlmann