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相关论文: Multiple Equivalent Solutions for the Lasso

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Multi-objective feature selection is one of the most significant issues in the field of pattern recognition. It is challenging because it maximizes the classification performance and, at the same time, minimizes the number of selected…

人工智能 · 计算机科学 2022-11-11 Motahare Namakin , Modjtaba Rouhani , Mostafa Sabzekar

Recently, many evolutionary computation methods have been developed to solve the feature selection problem. However, the studies focused mainly on small-scale issues, resulting in stagnation issues in local optima and numerical instability…

神经与进化计算 · 计算机科学 2021-10-28 Xubin Wang , Yunhe Wang , Ka-Chun Wong , Xiangtao Li

Feature selection aims to select a subset of features to optimize the performances of downstream predictive tasks. Recently, multi-agent reinforced feature selection (MARFS) has been introduced to automate feature selection, by creating…

机器学习 · 计算机科学 2020-09-22 Xiaosa Zhao , Kunpeng Liu , Wei Fan , Lu Jiang , Xiaowei Zhao , Minghao Yin , Yanjie Fu

In the last twenty-five years (1990-2014), algorithmic advances in integer optimization combined with hardware improvements have resulted in an astonishing 200 billion factor speedup in solving Mixed Integer Optimization (MIO) problems. We…

统计方法学 · 统计学 2015-07-14 Dimitris Bertsimas , Angela King , Rahul Mazumder

Example synthesis is one of the leading methods to tackle the problem of few-shot learning, where only a small number of samples per class are available. However, current synthesis approaches only address the scenario of a single category…

计算机视觉与模式识别 · 计算机科学 2019-02-27 Amit Alfassy , Leonid Karlinsky , Amit Aides , Joseph Shtok , Sivan Harary , Rogerio Feris , Raja Giryes , Alex M. Bronstein

Automated Algorithm Selection (AAS) is a popular meta-algorithmic approach and has demonstrated to work well for single-objective optimisation in combination with exploratory landscape features (ELA), i.e., (numerical) descriptive features…

神经与进化计算 · 计算机科学 2026-02-03 Oliver Preuß , Jeroen Rook , Jakob Bossek , Heike Trautmann

Given data $y$ and $k$ covariates $x$ one problem in linear regression is to decide which in any of the covariates to include when regressing $y$ on the $x$. If $k$ is small it is possible to evaluate each subset of the $x$. If however $k$…

统计理论 · 数学 2016-05-17 Patrick Laurie Davies

The problem of selecting an algorithm that appears most suitable for a specific instance of an algorithmic problem class, such as the Boolean satisfiability problem, is called instance-specific algorithm selection. Over the past decade, the…

机器学习 · 计算机科学 2021-07-21 Alexander Tornede , Lukas Gehring , Tanja Tornede , Marcel Wever , Eyke Hüllermeier

This paper presents a novel meta learning framework for feature selection (FS) based on fuzzy similarity. The proposed method aims to recommend the best FS method from four candidate FS methods for any given dataset. This is achieved by…

机器学习 · 计算机科学 2020-05-22 Zixiao Shen , Xin Chen , Jonathan M. Garibaldi

Supervised machine learning based state-of-the-art computer vision techniques are in general data hungry and pose the challenges of not having adequate computing resources and of high costs involved in human labeling efforts. Training data…

计算机视觉与模式识别 · 计算机科学 2018-05-30 Vishal Kaushal , Anurag Sahoo , Khoshrav Doctor , Narasimha Raju , Suyash Shetty , Pankaj Singh , Rishabh Iyer , Ganesh Ramakrishnan

Recently, considerable interest has focused on variable selection methods in regression situations where the number of predictors, $p$, is large relative to the number of observations, $n$. Two commonly applied variable selection approaches…

应用统计 · 统计学 2011-04-19 Peter Radchenko , Gareth M. James

In recent years the importance of finding a meaningful pattern from huge datasets has become more challenging. Data miners try to adopt innovative methods to face this problem by applying feature selection methods. In this paper we propose…

机器学习 · 计算机科学 2014-03-11 Mehdi Naseriparsa , Amir-masoud Bidgoli , Touraj Varaee

The problems of Lasso regression and optimal design of experiments share a critical property: their optimal solutions are typically \emph{sparse}, i.e., only a small fraction of the optimal variables are non-zero. Therefore, the…

统计方法学 · 统计学 2023-12-07 Guillaume Sagnol , Luc Pronzato

Instruction Fine-Tuning (IFT) is crucial for aligning large language models (LLMs) with human preferences, and selecting a small yet representative subset from massive data significantly facilitates IFT in terms of both efficiency and…

计算与语言 · 计算机科学 2026-03-25 Xixiang He , Hao Yu , Qiyao Sun , Ao Cheng , Tailai Zhang , Cong Liu , Shuxuan Guo

Feature selection aims to identify the optimal feature subset for enhancing downstream models. Effective feature selection can remove redundant features, save computational resources, accelerate the model learning process, and improve the…

机器学习 · 计算机科学 2024-12-19 Nanxu Gong , Wangyang Ying , Dongjie Wang , Yanjie Fu

In few-shot learning, the selection of samples has a significant impact on the performance of the model. While effective sample selection strategies are well-established in supervised settings, research on large language models largely…

机器学习 · 计算机科学 2026-04-20 Branislav Pecher , Ivan Srba , Maria Bielikova , Joaquin Vanschoren

Sparse linear models are one of several core tools for interpretable machine learning, a field of emerging importance as predictive models permeate decision-making in many domains. Unfortunately, sparse linear models are far less flexible…

机器学习 · 统计学 2024-01-03 Ryan Thompson , Amir Dezfouli , Robert Kohn

In high-dimensions, many variable selection methods, such as the lasso, are often limited by excessive variability and rank deficiency of the sample covariance matrix. Covariance sparsity is a natural phenomenon in high-dimensional…

统计方法学 · 统计学 2010-06-08 X. Jessie Jeng And Z. John Daye

This paper is a survey of dictionary screening for the lasso problem. The lasso problem seeks a sparse linear combination of the columns of a dictionary to best match a given target vector. This sparse representation has proven useful in a…

机器学习 · 计算机科学 2016-08-23 Zhen James Xiang , Yun Wang , Peter J. Ramadge

Low-dimensional embeddings for data from disparate sources play critical roles in multi-modal machine learning, multimedia information retrieval, and bioinformatics. In this paper, we propose a supervised dimensionality reduction method…

机器学习 · 计算机科学 2021-01-15 Yanjun Li , Bihan Wen , Hao Cheng , Yoram Bresler
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