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The doubly robust estimator, which models both the propensity score and outcomes, is a popular approach to estimate the average treatment effect in the potential outcome setting. The primary appeal of this estimator is its theoretical…

统计方法学 · 统计学 2024-09-11 Kaoru Babasaki , Shonosuke Sugasawa , Kosaku Takanashi , Kenichiro McAlinn

This paper shows that the mid-20th century was characterised by a considerable reduction in breastfeeding rates, reducing from over 80% in the late 1930s to just over 40% only three decades later. We investigate how maternal breastfeeding…

综合经济学 · 经济学 2026-02-04 Marco Francesconi , Stephanie von Hinke , Emil N. Sørensen

In the attention-deficit hyperactivity disorder (ADHD) study, children are prescribed different stimulant medications. The height measurements are recorded longitudinally along with the medication time. Differences among the patients are…

Estimating the causal effect of fertility on women's employment is challenging because fertility and labor decisions are jointly determined. The difficulty is amplified in low- and middle-income countries, where longitudinal data are…

统计方法学 · 统计学 2025-08-25 Lucas Godoy Garraza , Leontine Alkema

Motivated by genetic association studies of pleiotropy, we propose here a Bayesian latent variable approach to jointly study multiple outcomes or phenotypes. The proposed method models both continuous and binary phenotypes, and it accounts…

应用统计 · 统计学 2012-11-08 Lizhen Xu , Radu V. Craiu , Lei Sun

Object-oriented data analysis is a fascinating and evolving field in modern statistical science, with the potential to make significant contributions to biomedical applications. This statistical framework facilitates the development of new…

统计方法学 · 统计学 2025-03-11 Marcos Matabuena , Aritra Ghosal , Wendy Meiring , Alexander Petersen

Childhood obesity is a major public health concern. Multidisciplinary pediatric weight management programs are considered standard treatment for children with obesity and severe obesity who are not able to be successfully managed in the…

机器学习 · 计算机科学 2022-03-08 Hamed Fayyaz , Thao-Ly T. Phan , H. Timothy Bunnell , Rahmatollah Beheshti

Joint models for a wide class of response variables and longitudinal measurements consist on a mixed-effects model to fit longitudinal trajectories whose random effects enter as covariates in a generalized linear model for the primary…

统计方法学 · 统计学 2014-07-03 Rolando De la Cruz , Cristian Meza , Ana Arribas-Gil , Raymond J. Carroll

With advances in high-resolution mass spectrometry technologies, metabolomics data are increasingly used to investigate biological mechanisms underlying associations between exposures and health outcomes in clinical and epidemiological…

应用统计 · 统计学 2025-03-19 Yuzi Zhang , Donghai Liang , Youran Tan , Anne L. Dunlop , Howard H. Chang

Previous likelihood-based linear modeling of nutritional data has been limited by the availability of software that allows flexible error structures in the data. We demonstrate the use of a Bayesian modeling approach to the analysis of such…

统计理论 · 数学 2007-06-13 Andrew Lawson , Daniela Nitcheva

Epigenetic aberrations have profound effects on phenotypic output. Genome wide methylation alterations are inheritable to pass down the aberrations through multiple generations. We developed a statistical method, Genome-wide Identification…

定量方法 · 定量生物学 2014-09-30 Ye Tian , Yi Fu , Guoqiang Yu , Bai Zhang , Yue Wang

The risk of false positive results in noninvasive prenatal diagnosis focused on fetal gender and RhD status determination could be a problem in clinical routine. This is because these tests are based on detection of presence of DNA…

Greater understanding of the pathways through which an environmental mixture operates is important to design effective interventions. We present new methodology to estimate natural direct and indirect effects and controlled direct effects…

Background: Higher endogenous testosterone levels are associated with reduced chronic disease risk and mortality. Since the mid-20th century, there have been significant changes in dietary patterns, and men's testosterone levels have…

定量方法 · 定量生物学 2025-11-12 Joseph Whittaker , Kexin Wu

Background. Diet and inflammation are critical factors influencing cancer risk. However, the combined impact of nutritional status and inflammatory biomarkers on cancer status and type, using machine learning (ML), remains underexplored.…

定量方法 · 定量生物学 2025-04-22 Yuqing Liu , Meng Zhao , Guanlan Hu , Yuchen Zhang

Obesity affects a rising percentage of the children and adolescent population, contributing to decreased quality of life and increased risk for comorbidities. Although the major causes of obesity are known, the obesogenic behaviors manifest…

计算机与社会 · 计算机科学 2021-05-21 Ioannis Sarafis , Christos Diou , Vasileios Papapanagiotou , Leonidas Alagialoglou , Anastasios Delopoulos

Finite element analysis of soft tissues is a well-developed method that allows estimation of mechanical quantities (e.g. stresses, strains). A constitutive law has to be used to characterise the individual tissues. This is complex as…

医学物理 · 物理学 2023-12-08 Nolwenn Fougeron , Alessio Trebbi , Bethany Keenan , Yohan Payan , Gregory Chagnon

Purpose: Our aim was to elucidate the critical factors responsible for inducing the FLASH effect, focusing on the role of free radicals through simulation and experimental approaches. Methods and Materials: The whole abdomen of C57BL/6 mice…

Physical activity (PA) is an important risk factor for many health outcomes. Wearable-devices such as accelerometers are increasingly used in biomedical studies to understand the associations between PA and health outcomes. Statistical…

统计方法学 · 统计学 2021-12-08 Sneha Jadhav , Carmen D. Tekwe , Yuanyuan Luan

Diagnosis of adverse neonatal outcomes is crucial for preterm survival since it enables doctors to provide timely treatment. Machine learning (ML) algorithms have been demonstrated to be effective in predicting adverse neonatal outcomes.…