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Technological advancements in the field of mobile devices and wearable sensors have helped overcome obstacles in the delivery of care, making it possible to deliver behavioral treatments anytime and anywhere. Increasingly the delivery of…

应用统计 · 统计学 2017-11-13 Walter Dempsey , Peng Liao , Santosh Kumar , Susan A. Murphy

Eliminating the effect of confounding in observational studies typically involves fitting a model for an outcome adjusted for covariates. When, as often, these covariates are high-dimensional, this necessitates the use of sparse estimators…

统计方法学 · 统计学 2019-03-26 Oliver Dukes , Stijn Vansteelandt

Studies involving both randomized experiments as well as observational data typically involve time-to-event outcomes such as time-to-failure, death or onset of an adverse condition. Such outcomes are typically subject to censoring due to…

统计方法学 · 统计学 2023-02-27 Chirag Nagpal , Vedant Sanil , Artur Dubrawski

We propose a novel Bayesian model selection technique on linear mixed-effects models to compare multiple treatments with a control. A fully Bayesian approach is implemented to estimate the marginal inclusion probabilities that provide a…

应用统计 · 统计学 2015-09-28 Lei Gong , James M. Flegal , Stephen R. Spindler , Patricia L. Mote

This paper introduces a novel approach for estimating heterogeneous treatment effects of binary treatment in panel data, particularly focusing on short panel data with large cross-sectional data and observed confoundings. In contrast to…

统计方法学 · 统计学 2024-06-05 Meijia Wang , Ignacio Martinez , P. Richard Hahn

Tests for paired censored outcomes have been extensively studied, with some justified in the context of randomization-based inference. These tests are primarily designed to detect an overall treatment effect across the entire follow-up…

统计方法学 · 统计学 2025-06-10 Sangjin Lee , Kwonsang Lee

In biomedical science, analyzing treatment effect heterogeneity plays an essential role in assisting personalized medicine. The main goals of analyzing treatment effect heterogeneity include estimating treatment effects in clinically…

统计方法学 · 统计学 2022-12-06 Waverly Wei , Maya Petersen , Mark J van der Laan , Zeyu Zheng , Chong Wu , Jingshen Wang

Instrumental variables (IVs) are widely used to estimate causal effects from non-randomized data. A canonical example is a randomized trial with noncompliance, in which the randomized treatment assignment serves as an IV for the…

统计方法学 · 统计学 2026-02-06 Rui Wang , Ying-Qi Zhao , Oliver Dukes , Bo Zhang

A new meta-algorithm for estimating the conditional average treatment effects is proposed in the paper. The main idea underlying the algorithm is to consider a new dataset consisting of feature vectors produced by means of concatenation of…

机器学习 · 统计学 2019-09-10 Lev V. Utkin , Mikhail V. Kots , Viacheslav S. Chukanov

Applied work often studies the effect of a binary variable ("treatment") using linear models with additive effects. I study the interpretation of the OLS estimands in such models when treatment effects are heterogeneous. I show that the…

计量经济学 · 经济学 2020-05-21 Tymon Słoczyński

We consider the problem of selecting the optimal subgroup to treat when data on covariates is available from a randomized trial or observational study. We distinguish between four different settings including (i) treatment selection when…

统计方法学 · 统计学 2018-02-28 Tyler J. VanderWeele , Alex R. Luedtke , Mark J. van der Laan , Ronald C. Kessler

We aim to generalize the results of a randomized controlled trial (RCT) to a target population with the help of some observational data. This is a problem of causal effect identification with multiple data sources. Challenges arise when the…

统计方法学 · 统计学 2022-06-15 Juha Karvanen

Generalizing causal estimates in randomized experiments to a broader target population is essential for guiding decisions by policymakers and practitioners in the social and biomedical sciences. While recent papers developed various…

统计方法学 · 统计学 2021-11-03 Melody Huang , Naoki Egami , Erin Hartman , Luke Miratrix

Investigators are often interested in how a treatment affects an outcome for units responding to treatment in a certain way. We may wish to know the effect among units that, for example, meaningfully implemented an intervention, passed an…

统计方法学 · 统计学 2026-04-28 Chad Hazlett , Nina McMurry , Tanvi Shinkre

Clinical study populations often differ meaningfully from the broader populations to which results are intended to generalize. Weighting methods such as inverse probability of sampling weights (IPSW) reweight study participants to resemble…

统计方法学 · 统计学 2025-12-02 William Stewart , Carly L. Brantner , Elizabeth A. Stuart , Laine Thomas

In estimating the causal effect of a continuous exposure or treatment, it is important to control for all confounding factors. However, most existing methods require parametric specification for how control variables influence the outcome…

应用统计 · 统计学 2020-07-21 Spencer Woody , Carlos M. Carvalho , P. Richard Hahn , Jared S. Murray

Non linear mixed effect models are classical tools to analyze non linear longitudinal data in many fields such as population Pharmacokinetic. Groups of observations are usually compared by introducing the group affiliations as binary…

统计计算 · 统计学 2017-09-28 Edouard Ollier , Adeline Samson , Xavier Delavenne , Vivian Viallon

Generalizing estimates of causal effects from an experiment to a target population is of interest to scientists. However, researchers are usually constrained by available covariate information. Analysts can often collect much fewer…

统计方法学 · 统计学 2021-01-19 Naoki Egami , Erin Hartman

When confronted with an undesired cell population, such as bacterial infections or tumors, we seek the most effective treatment, designed to eliminate the population as rapidly as possible. A common practice is to monitor the cells…

生物物理 · 物理学 2025-01-23 Uzi Harush , Ravid Straussman , Baruch Barzel

Causal inference is widely used in various fields, such as biology, psychology and economics, etc. In observational studies, we need to balance the covariates before estimating causal effect. This study extends the one-dimensional entropy…

统计方法学 · 统计学 2022-05-19 Juan Chen , Yingchun Zhou