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相关论文: Handling missing values in healthcare data: A syst…

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Datasets with missing values are very common on industry applications, and they can have a negative impact on machine learning models. Recent studies introduced solutions to the problem of imputing missing values based on deep generative…

机器学习 · 计算机科学 2019-02-28 Ramiro D. Camino , Christian A. Hammerschmidt , Radu State

With the growing adoption of AI-based systems across everyday life, the need to understand their decision-making mechanisms is correspondingly increasing. The level at which we can trust the statistical inferences made from AI-based…

机器学习 · 统计学 2024-04-15 Adam Spannaus , Heidi A. Hanson , Lynne Penberthy , Georgia Tourassi

This study investigates the impact of masking strategies on time series imputation models in healthcare settings. While current approaches predominantly rely on random masking for model evaluation, this practice fails to capture the…

机器学习 · 计算机科学 2025-02-05 Linglong Qian , Yiyuan Yang , Wenjie Du , Jun Wang , Richard Dobsoni , Zina Ibrahim

Longitudinal studies are frequently used in medical research and involve collecting repeated measures on individuals over time. Observations from the same individual are invariably correlated and thus an analytic approach that accounts for…

In recent times, a considerable number of research studies have been carried out to address the issue of Missing Value Imputation (MVI). MVI aims to provide a primary solution for datasets that have one or more missing attribute values. The…

机器学习 · 计算机科学 2024-10-14 Abu Fuad Ahmad , Khaznah Alshammari , Istiaque Ahmed , MD Shohel Sayed

As systems are getting more autonomous with the development of artificial intelligence, it is important to discover the causal knowledge from observational sensory inputs. By encoding a series of cause-effect relations between events,…

机器学习 · 计算机科学 2020-01-16 Yuhao Wang , Vlado Menkovski , Hao Wang , Xin Du , Mykola Pechenizkiy

Electronic health records (EHR) consist of longitudinal clinical observations portrayed with sparsity, irregularity, and high-dimensionality, which become major obstacles in drawing reliable downstream clinical outcomes. Although there…

机器学习 · 计算机科学 2020-11-17 Ahmad Wisnu Mulyadi , Eunji Jun , Heung-Il Suk

Deep learning (DL) has remarkably impacted several different scientific disciplines over the last few years. E.g., in image processing and analysis, DL algorithms were able to outperform other cutting-edge methods. Additionally, DL has…

图像与视频处理 · 电气工程与系统科学 2022-05-19 Jan Egger , Christina Gsaxner , Antonio Pepe , Kelsey L. Pomykala , Frederic Jonske , Manuel Kurz , Jianning Li , Jens Kleesiek

Missing value imputation in machine learning is the task of estimating the missing values in the dataset accurately using available information. In this task, several deep generative modeling methods have been proposed and demonstrated…

机器学习 · 计算机科学 2023-03-14 Shuhan Zheng , Nontawat Charoenphakdee

Traditional machine learning methods face two main challenges in dealing with healthcare predictive analytics tasks. First, the high-dimensional nature of healthcare data needs labor-intensive and time-consuming processes to select an…

机器学习 · 计算机科学 2022-09-16 Mohammad Amin Morid , Olivia R. Liu Sheng , Joseph Dunbar

Classifying samples in incomplete datasets is a common aim for machine learning practitioners, but is non-trivial. Missing data is found in most real-world datasets and these missing values are typically imputed using established methods,…

Methods to handle missing data have been extensively explored in the context of estimation and descriptive studies, with multiple imputation being the most widely used method in clinical research. However, in the context of clinical risk…

统计方法学 · 统计学 2024-11-25 Junhui Mi , Rahul D. Tendulkar , Sarah M. C. Sittenfeld , Sujata Patil , Emily C. Zabor

Missing values occur commonly in the multidimensional data warehouses. They may generate problems of usefulness of data since the analysis performed on a multidimensional data warehouse is through different dimensions with hierarchies where…

数据库 · 计算机科学 2021-10-05 Yuzhao Yang , Fatma Abdelhedi , Jérôme Darmont , Franck Ravat , Olivier Teste

Deep learning (DL) models have shown significant potential in Alzheimer's Disease (AD) classification. However, understanding and interpreting these models remains challenging, which hinders the adoption of these models in clinical…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Thomas Yu Chow Tam , Litian Liang , Ke Chen , Haohan Wang , Wei Wu

Missing values are pervasive in real-world tabular data and can significantly impair downstream analysis. Imputing them is especially challenging in text-rich tables, where dependencies are implicit, complex, and dispersed across long…

数据库 · 计算机科学 2026-05-12 Soroush Omidvartehrani , Davood Rafiei

Machine learning (ML) has become a ubiquitous tool across various domains of data mining and big data analysis. The efficacy of ML models depends heavily on high-quality datasets, which are often complicated by the presence of missing…

机器学习 · 计算机科学 2024-10-14 Abu Fuad Ahmad , Md Shohel Sayeed , Khaznah Alshammari , Istiaque Ahmed

In many application settings, the data have missing entries which make analysis challenging. An abundant literature addresses missing values in an inferential framework: estimating parameters and their variance from incomplete tables. Here,…

机器学习 · 统计学 2024-03-22 Julie Josse , Jacob M. Chen , Nicolas Prost , Erwan Scornet , Gaël Varoquaux

Missing data is a common concern in health datasets, and its impact on good decision-making processes is well documented. Our study's contribution is a methodology for tackling missing data problems using a combination of synthetic dataset…

机器学习 · 计算机科学 2022-11-08 Gift Khangamwa , Terence L. van Zyl , Clint J. van Alten

Data-driven method for Structural Health Monitoring (SHM), that mine the hidden structural performance from the correlations among monitored time series data, has received widely concerns recently. However, missing data significantly…

机器学习 · 计算机科学 2023-04-04 Fan Deng , Xiaoming Tao , Pengxiang Wei , Shiyin Wei

There is an increasing interest in the use of Deep Learning (DL) based methods as a supporting analytical framework in oncology. However, most direct applications of DL will deliver models with limited transparency and explainability, which…

定量方法 · 定量生物学 2023-01-26 Magdalena Wysocka , Oskar Wysocki , Marie Zufferey , Dónal Landers , André Freitas