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Longitudinal voice biomarkers provide a non-invasive source of information for monitoring Parkinson's disease progression, but their statistical analysis is difficult because repeated measurements from the same subject are correlated,…

机器学习 · 统计学 2026-04-28 Ran Tong , Lanruo Wang , Tong Wang , Wei Yan

Predictive analytics aims to build machine learning models to predict behavior patterns and use predictions to guide decision-making. Predictive analytics is human involved, thus the machine learning model is preferred to be interpretable.…

机器学习 · 计算机科学 2023-03-14 Yuanyuan Jiang , Rui Ding , Tianchi Qiao , Yunan Zhu , Shi Han , Dongmei Zhang

Large multimodal models (LMMs) have demonstrated excellent capabilities in both understanding and generation tasks with various modalities. While these models can accept flexible combinations of input data, their training efficiency suffers…

分布式、并行与集群计算 · 计算机科学 2026-03-24 Zhenliang Xue , Hanpeng Hu , Xing Chen , Yimin Jiang , Yixin Song , Zeyu Mi , Yibo Zhu , Daxin Jiang , Yubin Xia , Haibo Chen

This study considers various semiparametric difference-in-differences models under different assumptions on the relation between the treatment group identifier, time and covariates for cross-sectional and panel data. The variance lower…

计量经济学 · 经济学 2020-08-17 Michael Zimmert

Longitudinal omics data (LOD) analysis is essential for understanding the dynamics of biological processes and disease progression over time. This review explores various statistical and computational approaches for analyzing such data,…

统计方法学 · 统计学 2025-06-16 Ali R. Taheriyoun , Allen Ross , Abolfazl Safikhani , Damoon Soudbakhsh , Ali Rahnavard

Time-varying covariates in longitudinal studies frequently evolve through reciprocal feedback, undergo role reversal, and reflect unobserved individual heterogeneity. Standard statistical frameworks often assume fixed covariate roles and…

统计方法学 · 统计学 2026-02-27 Niloofar Ramezani , Pascal Nitiema , Jeffrey R. Wilson

Differential item functioning (DIF) detection is an important yet understudied problem in computerized adaptive testing (CAT). In this article, we proposed a two-level logistic model to improve DIF detection in CAT by explicitly accounting…

应用统计 · 统计学 2026-05-05 Dandan Chen Kaptur , Justin Kern , Chingwei David Shin , Jinming Zhang

Computer-aided diagnosis (CAD) systems play a crucial role in analyzing neuroimaging data for neurological and psychiatric disorders. However, small-sample studies suffer from low reproducibility, while large-scale datasets introduce…

机器学习 · 计算机科学 2025-08-12 Xinglin Zhao , Yanwen Wang , Xiaobo Liu , Yanrong Hao , Rui Cao , Xin Wen

While logistic regression models are easily accessible to researchers, when applied to network data there are unrealistic assumptions made about the dependence structure of the data. For temporal networks measured in discrete time, recent…

统计方法学 · 统计学 2020-05-20 Daniel K. Sewell

Dropout represents a typical issue to be addressed when dealing with longitudinal studies. If the mechanism leading to missing information is non-ignorable, inference based on the observed data only may be severely biased. A frequent…

统计方法学 · 统计学 2018-03-23 Maria Francesca Marino , Marco Alfo'

We introduce DeepABM, a framework for agent-based modeling that leverages geometric message passing of graph neural networks for simulating action and interactions over large agent populations. Using DeepABM allows scaling simulations to…

Reliable long-horizon prediction remains a challenge for data-driven CFD surrogates, because offline-trained models accumulate autoregressive errors and lose accuracy when operating conditions change. This work develops a divergence-aware…

流体动力学 · 物理学 2026-05-26 Xiangrui Zou , Zhuoqun Zhao , Guillermo Barragán , Soledad Le Clainche

We address the problem of estimating heterogeneous treatment effects in panel data, adopting the popular Difference-in-Differences (DiD) framework under the conditional parallel trends assumption. We propose a novel doubly robust…

机器学习 · 统计学 2025-04-29 Hui Lan , Haoge Chang , Eleanor Dillon , Vasilis Syrgkanis

This article proposes a communication-efficient decentralized deep learning algorithm, coined layer-wise federated group ADMM (L-FGADMM). To minimize an empirical risk, every worker in L-FGADMM periodically communicates with two neighbors,…

机器学习 · 计算机科学 2020-07-07 Anis Elgabli , Jihong Park , Sabbir Ahmed , Mehdi Bennis

Large language models (LLMs) have advanced the field of artificial intelligence (AI) and are a powerful enabler for interactive systems. However, they still face challenges in long-term interactions that require adaptation towards the user…

人工智能 · 计算机科学 2025-05-20 Rebecca Westhäußer , Frederik Berenz , Wolfgang Minker , Sebastian Zepf

Understanding the development of adolescent behavioral and mental health outcomes requires integrating genetic predisposition, environmental exposures, and neurobiological processes over time. Here, we present a unified quantitative…

其他定量生物学 · 定量生物学 2026-05-06 Mengman Wei , Qian Peng

Difference-in-differences (DiD) is a cornerstone of causal inference, yet extending it to functional outcomes is not a routine scalar generalization; rather, it entails three fundamental challenges in identification, inference, and…

统计方法学 · 统计学 2026-05-29 Junzhu Nie , Chengxiu Ling , Mengfei Ran

Intensive Longitudinal Data (ILD) is increasingly available to social and behavioral scientists. With this increased availability come new opportunities for modeling and predicting complex biological, behavioral, and physiological…

统计方法学 · 统计学 2025-01-08 Zachary F. Fisher , Younghoon Kim , Barbara Fredrickson , Vladas Pipiras

Multivariate functional data can be intrinsically multivariate like movement trajectories in 2D or complementary like precipitation, temperature, and wind speeds over time at a given weather station. We propose a multivariate functional…

统计方法学 · 统计学 2021-10-06 Alexander Volkmann , Almond Stöcker , Fabian Scheipl , Sonja Greven

In many longitudinal microarray studies, the gene expression levels in a random sample are observed repeatedly over time under two or more conditions. The resulting time courses are generally very short, high-dimensional, and may have…

应用统计 · 统计学 2013-02-26 Maurice Berk , Cheryl Hemingway , Michael Levin , Giovanni Montana