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Electromyogram (EMG) signals recorded from the skin surface enable intuitive control of assistive devices such as prosthetic limbs. However, in EMG-based motion recognition, collecting comprehensive training data for all target motions…

信号处理 · 电气工程与系统科学 2025-05-22 Itsuki Yazawa , Seitaro Yoneda , Akira Furui

Most clinical trials involve the comparison of a new treatment to a control arm (e.g., the standard of care) and the estimation of a treatment effect. External data, including historical clinical trial data and real-world observational…

统计方法学 · 统计学 2021-03-17 Tianjian Zhou , Yuan Ji

Although combination antiretroviral therapy (ART) is highly effective in suppressing viral load for people with HIV (PWH), many ART agents may exacerbate central nervous system (CNS)-related adverse effects including depression. Therefore,…

统计方法学 · 统计学 2020-04-14 Wei Jin , Yang Ni , Leah H. Rubin , Amanda B. Spence , Yanxun Xu

Estimating weights in the synthetic control method, typically resulting in sparse weights where only a few control units have non-zero weights, involves an optimization procedure that selects and combines control units to closely match the…

计量经济学 · 经济学 2026-02-03 Rong J. B. Zhu

This paper presents a novel approach to simulating electronic health records (EHRs) using diffusion probabilistic models (DPMs). Specifically, we demonstrate the effectiveness of DPMs in synthesising longitudinal EHRs that capture…

机器学习 · 计算机科学 2023-03-23 Nicholas I-Hsien Kuo , Louisa Jorm , Sebastiano Barbieri

Electrocardiogram (ECG) datasets tend to be highly imbalanced due to the scarcity of abnormal cases. Additionally, the use of real patients' ECGs is highly regulated due to privacy issues. Therefore, there is always a need for more ECG…

机器学习 · 计算机科学 2022-08-25 Edmond Adib , Fatemeh Afghah , John J. Prevost

Social scientists often study how a policy reform impacted a single targeted country. Increasingly, this is done with the synthetic control method (SCM). SCM models the country's counterfactual (non-reform or untreated) trajectory as a…

应用统计 · 统计学 2019-10-15 Elias Tuomaala

The use of historical controls offers a valuable alternative when traditional randomized controlled trials are not feasible. However, such approaches may introduce bias due to temporal changes in patient populations, diagnostic criteria,…

统计方法学 · 统计学 2025-12-24 Marco Ratta , Pavel Mozgunov , Sandrine Boulet , Moreno Ursino

The issue of missing values is an arising difficulty when dealing with paired data. Several test procedures are developed in the literature to tackle this problem. Some of them are even robust under deviations and control type-I error quite…

统计方法学 · 统计学 2019-12-12 Lubna Amro , Markus Pauly , Burim Ramosaj

Platform trials gained popularity during the last few years as they increase flexibility compared to multi-arm trials by allowing new experimental arms entering when the trial already started. Using a shared control group in platform trials…

This article studies experimental design in settings where the experimental units are large aggregate entities (e.g., markets), and only one or a small number of units can be exposed to the treatment. In such settings, randomization of the…

统计方法学 · 统计学 2025-04-24 Alberto Abadie , Jinglong Zhao

Individuals often respond differently to identical treatments, and characterizing such variability in treatment response is an important aim in the practice of personalized medicine. In this article, we describe a non-parametric accelerated…

统计方法学 · 统计学 2017-06-22 Nicholas C. Henderson , Thomas A. Louis , Gary L. Rosner , Ravi Varadhan

Individualized treatment decisions can improve health outcomes, but using data to make these decisions in a reliable, precise, and generalizable way is challenging with a single dataset. Leveraging multiple randomized controlled trials…

Subgroup analyses of randomized controlled trials (RCTs) constitute an important component of the drug development process in precision medicine. In particular, subgroup analyses of early-stage trials often influence the design and…

统计方法学 · 统计学 2025-02-12 Daniel Schwartz , Riddhiman Saha , Steffen Ventz , Lorenzo Trippa

The standard paradigm for confirmatory clinical trials is to compare experimental treatments with a control, for example the standard of care or a placebo. However, it is not always the case that a suitable control exists. Efficient…

统计方法学 · 统计学 2024-10-29 Thomas Burnett , Thomas Jaki

While randomized controlled trials (RCTs) are critical for establishing the efficacy of new therapies, there are limitations regarding what comparisons can be made directly from trial data. RCTs are limited to a small number of comparator…

Synthetic control methods have gained popularity among causal studies with observational data, particularly when estimating the impacts of the interventions that are implemented to a small number of large units. Implementing the synthetic…

统计方法学 · 统计学 2020-05-29 Gyuhyeong Goh , Jisang Yu

When randomized controlled trials are impractical or unethical to simultaneously compare multiple treatments, indirect treatment comparisons using single-arm trials offer valuable evidence for health technology assessments, especially for…

统计方法学 · 统计学 2025-09-30 Yuru Zhu , Huiyuan Wang , Haitao Chu , Yumou Qiu , Yong Chen

Randomized experiments play a major role in data-driven decision making across many different fields and disciplines. In medicine, for example, randomized controlled trials (RCTs) are the backbone of clinical trial methodology for testing…

应用统计 · 统计学 2016-08-30 Andrew W. Correia

Electronic health records (EHR) often contain different rates of representation of certain subpopulations (SP). Factors like patient demographics, clinical condition prevalence, and medical center type contribute to this…

机器学习 · 计算机科学 2024-03-12 Oriel Perets , Nadav Rappoport