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Feature selection is important for high-dimensional data analysis and is non-trivial in unsupervised learning problems such as dimensionality reduction and clustering. The goal of unsupervised feature selection is finding a subset of…

机器学习 · 计算机科学 2024-11-26 Ziheng Sun , Chris Ding , Jicong Fan

How to accurately measure the relevance and redundancy of features is an age-old challenge in the field of feature selection. However, existing filter-based feature selection methods cannot directly measure redundancy for continuous data.…

机器学习 · 计算机科学 2023-07-31 Haitao Nie , Shengbo Zhang , Bin Xie

While building machine learning models, Feature selection (FS) stands out as an essential preprocessing step used to handle the uncertainty and vagueness in the data. Recently, the minimum Redundancy and Maximum Relevance (mRMR) approach…

分布式、并行与集群计算 · 计算机科学 2024-07-25 Yelleti Vivek , P. S. V. S. Sai Prasad

As data privacy and security attract increasing attention, Federated Recommender System (FRS) offers a solution that strikes a balance between providing high-quality recommendations and preserving user privacy. However, the presence of…

信息检索 · 计算机科学 2024-11-05 Xinrui He , Shuo Liu , Jackey Keung , Jingrui He

Feature selection (FS) is a process which attempts to select more informative features. In some cases, too many redundant or irrelevant features may overpower main features for classification. Feature selection can remedy this problem and…

机器学习 · 计算机科学 2013-06-07 A. Nisthana Parveen , H. Hannah Inbarani , E. N. Sathishkumar

In recent years, numerous screening methods have been published for ultrahigh-dimensional data that contain hundreds of thousands of features; however, most of these features cannot handle data with thousands of classes. Prediction models…

Several data mining problems are characterized by data in high dimensions. One of the popular ways to reduce the dimensionality of the data is to perform feature selection, i.e, select a subset of relevant and non-redundant features.…

计算机视觉与模式识别 · 计算机科学 2015-08-12 Yamuna Prasad , K. K. Biswas

In the social sciences, it is often necessary to debias studies and surveys before valid conclusions can be drawn. Debiasing algorithms enable the computational removal of bias using sample weights. However, an issue arises when only a…

机器学习 · 计算机科学 2026-03-03 Tony Hauptmann , Stefan Kramer

Many feature subset selection (FSS) algorithms have been proposed, but not all of them are appropriate for a given feature selection problem. At the same time, so far there is rarely a good way to choose appropriate FSS algorithms for the…

机器学习 · 计算机科学 2014-02-05 Guangtao Wang , Qinbao Song , Heli Sun , Xueying Zhang , Baowen Xu , Yuming Zhou

In machine learning applications for online product offerings and marketing strategies, there are often hundreds or thousands of features available to build such models. Feature selection is one essential method in such applications for…

机器学习 · 统计学 2019-08-16 Zhenyu Zhao , Radhika Anand , Mallory Wang

Effective feature selection is essential for high-dimensional data analysis and machine learning. Unsupervised feature selection (UFS) aims to simultaneously cluster data and identify the most discriminative features. Most existing UFS…

机器学习 · 统计学 2026-03-23 Feng Yu , MD Saifur Rahman Mazumder , Ying Su , Oscar Contreras Velasco

Clustering is an effective technique in data mining to group a set of objects in terms of some attributes. Among various clustering approaches, the family of K-Means algorithms gains popularity due to simplicity and efficiency. However,…

机器学习 · 计算机科学 2019-09-06 Jinglin Xu , Junwei Han , Mingliang Xu , Feiping Nie , Xuelong Li

Clustering is a fundamental tool in unsupervised learning, used to group objects by distinguishing between similar and dissimilar features of a given data set. One of the most common clustering algorithms is k-means. Unfortunately, when…

机器学习 · 统计学 2021-08-17 Olga Dorabiala , J. Nathan Kutz , Aleksandr Aravkin

Unsupervised feature selection (FS) is essential for high-dimensional learning tasks where labels are not available. It helps reduce noise, improve generalization, and enhance interpretability. However, most existing unsupervised FS methods…

机器学习 · 计算机科学 2025-11-13 Shira Lifshitz , Ofir Lindenbaum , Gal Mishne , Ron Meir , Hadas Benisty

Clustering, a fundamental activity in unsupervised learning, is notoriously difficult when the feature space is high-dimensional. Fortunately, in many realistic scenarios, only a handful of features are relevant in distinguishing clusters.…

机器学习 · 统计学 2020-10-23 Zhiyue Zhang , Kenneth Lange , Jason Xu

Unsupervised feature selection is critical for improving clustering performance in high-dimensional data, where irrelevant features can obscure meaningful structure. In this work, we introduce the Minkowski weighted $k$-means++, a novel…

机器学习 · 计算机科学 2026-05-19 Xudong Zhang , Renato Cordeiro de Amorim

Feature selection is critical in machine learning to reduce dimensionality and improve model accuracy and efficiency. The exponential growth in feature space dimensionality for modern datasets directly results in ambiguous samples and…

量子物理 · 物理学 2023-11-30 Haiyan Wang

Software fault prediction (SFP) is a critical task in software engineering, enabling early identification of faults in modules to improve software quality and reduce maintenance costs. This research investigates the combined effects of…

Feature selection is an important process in machine learning and knowledge discovery. By selecting the most informative features and eliminating irrelevant ones, the performance of learning algorithms can be improved and the extraction of…

机器学习 · 计算机科学 2024-01-17 Chunxu Cao , Qiang Zhang

Finite Mixture of Regressions (FMR) models are among the most widely used approaches in dealing with the heterogeneity among the observations in regression problems. One of the limitations of current approaches is their inability to…

应用统计 · 统计学 2018-06-25 Haidar Almohri , Arash Ali Amini , Ratna Babu Chinnam
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