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Information integration plays a pivotal role in biomedical studies by facilitating the combination and analysis of independent datasets from multiple studies, thereby uncovering valuable insights that might otherwise remain obscured due to…

统计方法学 · 统计学 2024-07-02 Chixiang Chen , Jia Liang , Elynn Chen , Ming Wang

Data analysis based on information from several sources is common in economic and biomedical studies. This setting is often referred to as the data fusion problem, which differs from traditional missing data problems since no complete data…

统计方法学 · 统计学 2022-04-07 Wei Li , Shanshan Luo , Wangli Xu

Integrating data from multiple heterogeneous sources has become increasingly popular to achieve a large sample size and diverse study population. This paper reviews development in causal inference methods that combines multiple datasets…

统计方法学 · 统计学 2021-10-05 Xu Shi , Ziyang Pan , Wang Miao

The authors propose a robust semi-parametric empirical likelihood method to integrate all available information from multiple samples with a common center of measurements. Two different sets of estimating equations are used to improve the…

统计方法学 · 统计学 2012-10-03 Hsiao-Hsuan Wang , Yuehua Wu , Yuejiao Fu , Xiaogang Wang

We propose a distributed method for simultaneous inference for datasets with sample size much larger than the number of covariates, i.e., N >> p, in the generalized linear models framework. When such datasets are too big to be analyzed…

统计方法学 · 统计学 2020-07-23 Lu Tang , Ling Zhou , Peter X. -K. Song

The rapid emergence of massive datasets in various fields poses a serious challenge to traditional statistical methods. Meanwhile, it provides opportunities for researchers to develop novel algorithms. Inspired by the idea of…

统计计算 · 统计学 2023-04-14 Yuan Gao , Weidong Liu , Hansheng Wang , Xiaozhou Wang , Yibo Yan , Riquan Zhang

Finite population inference is a central goal in survey sampling. Probability sampling is the main statistical approach to finite population inference. Challenges arise due to high cost and increasing non-response rates. Data integration…

统计方法学 · 统计学 2020-01-13 Shu Yang , Jae Kwang Kim

It is not unusual for a data analyst to encounter data sets distributed across several computers. This can happen for reasons such as privacy concerns, efficiency of likelihood evaluations, or just the sheer size of the whole data set. This…

统计计算 · 统计学 2018-05-22 Randy C. S. Lai , J. Hannig , Thomas C. M. Lee

Increasing data volumes delivered by a new generation of radio interferometers require computationally efficient and robust calibration algorithms. In this paper, we propose distributed calibration as a way of improving both computational…

天体物理仪器与方法 · 物理学 2015-06-23 Sarod Yatawatta

Data sharing barriers are paramount challenges arising from multicenter clinical trials where multiple data sources are stored in a distributed fashion at different local study sites. Merging such data sources into a common data storage for…

统计方法学 · 统计学 2022-04-05 Mengtong Hu , Xu Shi , Peter X. -K. Song

In multicenter biomedical research, integrating data from multiple decentralized sites provides more robust and generalizable findings due to its larger sample size and the ability to account for the between-site heterogeneity. However,…

统计方法学 · 统计学 2025-12-29 Xiaokang Liu , Yuchen Yang , Yifei Sun , Jiang Bian , Yanyuan Ma , Raymond J. Carroll , Yong Chen

The increased availability of massive data sets provides a unique opportunity to discover subtle patterns in their distributions, but also imposes overwhelming computational challenges. To fully utilize the information contained in big…

统计理论 · 数学 2018-04-12 Stanislav Volgushev , Shih-Kang Chao , Guang Cheng

The question of how individual patient data from cohort studies or historical clinical trials can be leveraged for designing more powerful, or smaller yet equally powerful, clinical trials becomes increasingly important in the era of…

统计方法学 · 统计学 2022-09-01 Sandra Siegfried , Stephen Senn , Torsten Hothorn

In modern randomized experiments, large-scale data collection increasingly yields rich baseline covariates and auxiliary information from multiple sources. Such information offers opportunities for more precise treatment effect estimation,…

统计方法学 · 统计学 2026-03-10 Wei Ma , Zeqi Wu , Zheng Zhang

Uncertainty quantification is essential in decision-making, especially when joint distributions of random variables are involved. While conformal prediction provides distribution-free prediction sets with valid coverage guarantees, it…

机器学习 · 计算机科学 2025-01-03 Rui Luo , Zhixin Zhou

This paper develops new methodology, together with related theories, for combining information from independent studies through confidence distributions. A formal definition of a confidence distribution and its asymptotic counterpart (i.e.,…

统计理论 · 数学 2007-06-13 Kesar Singh , Minge Xie , William E. Strawderman

How can we draw trustworthy scientific conclusions? One criterion is that a study can be replicated by independent teams. While replication is critically important, it is arguably insufficient. If a study is biased for some reason and other…

统计方法学 · 统计学 2025-02-06 Yujin Jeong , Dominik Rothenhäusler

Two important considerations in clinical research studies are proper evaluations of internal and external validity. While randomized clinical trials can overcome several threats to internal validity, they may be prone to poor external…

统计方法学 · 统计学 2022-07-19 Kevin P. Josey , Fan Yang , Debashis Ghosh , Sridharan Raghavan

It is argued that the Calibrated Bayesian (CB) approach to statistical inference capitalizes on the strength of Bayesian and frequentist approaches to statistical inference. In the CB approach, inferences under a particular model are…

统计方法学 · 统计学 2011-08-10 Roderick Little

As datasets grow larger, they are often distributed across multiple machines that compute in parallel and communicate with a central machine through short messages. In this paper, we focus on sparse regression and propose a new procedure…

统计方法学 · 统计学 2023-03-14 Sifan Liu , Snigdha Panigrahi
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