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Within the national innovation system literature, empirical analyses are severely lacking for developing economies. Particularly, the low- and middle-income countries (LMICs) eligible for the World Bank's International Development…

计量经济学 · 经济学 2021-09-14 Muhammad Salar Khan

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

Missing data is a fundamental challenge in data science, significantly hindering analysis and decision-making across a wide range of disciplines, including healthcare, bioinformatics, social science, e-commerce, and industrial monitoring.…

机器学习 · 统计学 2026-05-12 Jicong Fan

Recent generative models produce images with a level of authenticity that makes them nearly indistinguishable from real photos and artwork. Potential harmful use cases of these models, necessitate the creation of robust synthetic image…

计算机视觉与模式识别 · 计算机科学 2025-01-15 Delyan Boychev , Radostin Cholakov

Missing values pose a persistent challenge in modern data science. Consequently, there is an ever-growing number of publications introducing new imputation methods in various fields. While many studies compare imputation approaches, they…

统计计算 · 统计学 2025-11-10 Krystyna Grzesiak , Christophe Muller , Julie Josse , Jeffrey Näf

Given the prevalence of missing data in modern statistical research, a broad range of methods is available for any given imputation task. How does one choose the `best' imputation method in a given application? The standard approach is to…

应用统计 · 统计学 2022-12-01 Jeffrey Näf , Meta-Lina Spohn , Loris Michel , Nicolai Meinshausen

Many promising approaches to symbolic regression have been presented in recent years, yet progress in the field continues to suffer from a lack of uniform, robust, and transparent benchmarking standards. In this paper, we address this…

Missing data is a common problem faced with real-world datasets. Imputation is a widely used technique to estimate the missing data. State-of-the-art imputation approaches, such as Generative Adversarial Imputation Nets (GAIN), model the…

机器学习 · 计算机科学 2020-12-02 Saqib Ejaz Awan , Mohammed Bennamoun , Ferdous Sohel , Frank M Sanfilippo , Girish Dwivedi

In many machine learning applications, we are faced with incomplete datasets. In the literature, missing data imputation techniques have been mostly concerned with filling missing values. However, the existence of missing values is…

机器学习 · 计算机科学 2020-09-07 Mohammad Kachuee , Kimmo Karkkainen , Orpaz Goldstein , Sajad Darabi , Majid Sarrafzadeh

In many contexts, missing data and disclosure control are ubiquitous and challenging issues. In particular at statistical agencies, the respondent-level data they collect from surveys and censuses can suffer from high rates of missingness.…

统计计算 · 统计学 2021-09-06 Jingchen Hu , Olanrewaju Akande , Quanli Wang

Privacy-preserving synthetic data offers a promising solution to harness segregated data in high-stakes domains where information is compartmentalized for regulatory, privacy, or institutional reasons. This survey provides a comprehensive…

密码学与安全 · 计算机科学 2025-03-28 Viktor Schlegel , Anil A Bharath , Zilong Zhao , Kevin Yee

Incomplete data are common in real-world applications. Sensors fail, records are inconsistent, and datasets collected from different sources often differ in scale, sampling rate, and quality. These differences create missing values that…

机器学习 · 计算机科学 2025-12-08 Zalish Mahmud , Anantaa Kotal , Aritran Piplai

Imputation methods play a critical role in enhancing the quality of practical time-series data, which often suffer from pervasive missing values. Recently, diffusion-based generative imputation methods have demonstrated remarkable success…

机器学习 · 计算机科学 2025-10-03 Zeqi Ye , Minshuo Chen

Missing values are a major challenge in most data science projects working on real data. To avoid losing valuable information, imputation methods are used to fill in missing values with estimates, allowing the preservation of samples or…

机器学习 · 计算机科学 2024-07-17 Pedro Pons-Suñer , Laura Arnal , J. Ramón Navarro-Cerdán , François Signol

Real-world datasets often have missing values associated with complex generative processes, where the cause of the missingness may not be fully observed. This is known as missing not at random (MNAR) data. However, many imputation methods…

机器学习 · 计算机科学 2021-10-29 Chao Ma , Cheng Zhang

Incomplete data is a persistent challenge in real-world datasets, often governed by complex and unobservable missing mechanisms. Simulating missingness has become a standard approach for understanding its impact on learning and analysis.…

机器学习 · 计算机科学 2025-08-08 Youran Zhou , Mohamed Reda Bouadjenek , Sunil Aryal

The rapid proliferation of high-quality synthetic data -- generated by advanced AI models or collected as auxiliary data from related tasks -- presents both opportunities and challenges for statistical inference. This paper introduces a…

统计方法学 · 统计学 2026-02-19 Meshi Bashari , Yonghoon Lee , Roy Maor Lotan , Edgar Dobriban , Yaniv Romano

Handling incomplete and heterogeneous data remains a central challenge in real-world machine learning, where missing values may follow complex mechanisms (MCAR, MAR, MNAR) and features can be of mixed types (numerical and categorical).…

机器学习 · 计算机科学 2025-07-30 Youran Zhou , Mohamed Reda Bouadjenek , Jonathan Wells , Sunil Aryal

Environmental, Social, and Governance (ESG) datasets are frequently plagued by significant data gaps, leading to inconsistencies in ESG ratings due to varying imputation methods. This paper explores the application of established machine…

机器学习 · 计算机科学 2024-07-30 Sergio Caprioli , Jacopo Foschi , Riccardo Crupi , Alessandro Sabatino

Missing data represents a fundamental challenge in machine learning applications, often reducing model performance and reliability. This problem is particularly acute in fields like bioinformatics and clinical machine learning, where…

机器学习 · 计算机科学 2025-09-04 Fatemeh Azad , Zoran Bosnić , Matjaž Kukar
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