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In the last decade, the secondary use of large data from health systems, such as electronic health records, has demonstrated great promise in advancing biomedical discoveries and improving clinical decision making. However, there is an…

统计理论 · 数学 2021-03-25 Rui Duan , Yang Ning , Jiasheng Shi , Raymond J Carroll , Tianxi Cai , Yong Chen

Ordinal measurements are common outcomes in studies within psychology, as well as in the social and behavioral sciences. Choosing an appropriate regression model for analysing such data poses a difficult task. This paper aims to facilitate…

统计方法学 · 统计学 2026-03-03 Stefan Inerle , Markus Pauly , Moritz Berger

Cross-classified data frequently arise in scientific fields such as education, healthcare, and social sciences. A common modeling strategy is to introduce crossed random effects within a regression framework. However, this approach often…

统计方法学 · 统计学 2025-07-22 Shota Takeishi , Shonosuke Sugasawa

Longitudinal studies are often conducted to explore the cohort and age effects in many scientific areas. The within cluster correlation structure plays a very important role in longitudinal data analysis. This is because not only can an…

统计理论 · 数学 2008-12-18 Yan Sun , Wenyang Zhang , Howell Tong

In complex survey data, each sampled observation has assigned a sampling weight, indicating the number of units that it represents in the population. Whether sampling weights should or not be considered in the estimation process of model…

统计方法学 · 统计学 2024-09-20 Amaia Iparragirre , Irantzu Barrio , Jorge Aramendi , Inmaculada Arostegui

Cluster-randomized experiments are widely used due to their logistical convenience and policy relevance. To analyze them properly, we must address the fact that the treatment is assigned at the cluster level instead of the individual level.…

统计方法学 · 统计学 2021-08-06 Fangzhou Su , Peng Ding

A new modeling framework for bipartite social networks arising from a sequence of partially time-ordered relational events is proposed. We directly model the joint distribution of the binary variables indicating if each single actor is…

统计方法学 · 统计学 2018-10-23 Francesco Bartolucci , Antonietta Mira , Stefano Peluso

In a regression analysis, suppose we suspect that there are several heterogeneous groups in the population that a sample represents. Mixture regression models have been applied to address such problems. By modeling the conditional…

统计方法学 · 统计学 2013-07-02 Toshiya Hoshikawa

To investigate intervention effects on rare events, meta-analysis techniques are commonly applied in order to assess the accumulated evidence. When it comes to adverse effects in clinical trials, these are often most adequately handled…

统计方法学 · 统计学 2026-04-03 Christian Röver , Qiong Wu , Anja Loos , Tim Friede

Estimating how a treatment affects different individuals, known as heterogeneous treatment effect estimation, is an important problem in empirical sciences. In the last few years, there has been a considerable interest in adapting machine…

机器学习 · 计算机科学 2024-10-18 Christopher Tran , Keith Burghardt , Kristina Lerman , Elena Zheleva

Continuous response variables often need to be transformed to meet regression modeling assumptions; however, finding the optimal transformation is challenging and results may vary with the choice of transformation. When a continuous…

统计方法学 · 统计学 2022-07-19 Yuqi Tian , Bryan E. Shepherd , Chun Li , Donglin Zeng , Jonathan J. Schildcrout

The health effects of environmental exposures have been studied for decades, typically using standard regression models to assess exposure-outcome associations found in observational non-experimental data. We propose and illustrate a…

应用统计 · 统计学 2017-09-20 Marie-Abele C. Bind , Donald B. Rubin

The healthcare sector has experienced a rapid accumulation of digital data recently, especially in the form of electronic health records (EHRs). EHRs constitute a precious resource that IS researchers could utilize for clinical applications…

机器学习 · 计算机科学 2024-11-06 Thiti Suttaket , L Vivek Harsha Vardhan , Stanley Kok

Chernozhukov et al. (2018) proposed the sorted effect method for nonlinear regression models. This method consists of reporting percentiles of the partial effects in addition to the average commonly used to summarize the heterogeneity in…

计量经济学 · 经济学 2019-11-11 Shuowen Chen , Victor Chernozhukov , Iván Fernández-Val , Ye Luo

Data from both a randomized trial and an observational study are sometimes simultaneously available for evaluating the effect of an intervention. The randomized data typically allows for reliable estimation of average treatment effects but…

统计方法学 · 统计学 2021-12-01 David Cheng , Tianxi Cai

We often seek to estimate the impact of an exposure naturally occurring or randomly assigned at the cluster-level. For example, the literature on neighborhood determinants of health continues to grow. Likewise, community randomized trials…

统计方法学 · 统计学 2021-07-08 Laura B. Balzer , Wenjing Zheng , Mark J. van der Laan , Maya L. Petersen

Staggered rollout cluster randomized experiments (SR-CREs) involve sequential treatment adoption across clusters, requiring analysis methods that address a general class of dynamic causal effects, anticipation, and non-ignorable…

统计方法学 · 统计学 2026-02-02 Xinyuan Chen , Fan Li

In social sciences, studies are often based on questionnaires asking participants to express ordered responses several times over a study period. We present a model-based clustering algorithm for such longitudinal ordinal data. Assuming…

统计方法学 · 统计学 2024-01-29 Francesco Amato , Julien Jacques , Isabelle Prim-Allaz

Most classification methods provide either a prediction of class membership or an assessment of class membership probability. In the case of two-group classification the predicted probability can be described as "risk" of belonging to a…

机器学习 · 统计学 2011-10-28 Yizhar Toren

Empirical studies in various social sciences often involve categorical outcomes with inherent ordering, such as self-evaluations of subjective well-being and self-assessments in health domains. While ordered choice models, such as the…

计量经济学 · 经济学 2025-08-08 Riccardo Di Francesco