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Methods for estimating heterogeneous treatment effect in observational data have largely focused on continuous or binary outcomes, and have been relatively less vetted with survival outcomes. Using flexible machine learning methods in the…

应用统计 · 统计学 2021-07-09 Liangyuan Hu , Jiayi Ji , Fan Li

In the absence of data from a randomized trial, researchers often aim to use observational data to draw causal inference about the effect of a treatment on a time-to-event outcome. In this context, interest often focuses on the…

统计方法学 · 统计学 2021-06-15 Ted Westling , Alex Luedtke , Peter Gilbert , Marco Carone

Establishing causality is a fundamental goal in fields like medicine and social sciences. While randomized controlled trials are the gold standard for causal inference, they are not always feasible or ethical. Observational studies can…

统计理论 · 数学 2024-12-03 Andrew Ying

In this paper, we investigate dynamic feature selection within multivariate time-series scenario, a common occurrence in clinical prediction monitoring where each feature corresponds to a bio-test result. Many existing feature selection…

机器学习 · 计算机科学 2024-05-31 Yutong Chen , Jiandong Gao , Ji Wu

The individual data collected throughout patient follow-up constitute crucial information for assessing the risk of a clinical event, and eventually for adapting a therapeutic strategy. Joint models and landmark models have been proposed to…

机器学习 · 统计学 2024-07-17 Anthony Devaux , Robin Genuer , Karine Pérès , Cécile Proust-Lima

The sequential treatment decisions made by physicians to treat chronic diseases are formalized in the statistical literature as dynamic treatment regimes. To date, methods for dynamic treatment regimes have been developed under the…

统计方法学 · 统计学 2022-02-22 Janie Coulombe , Erica E. M. Moodie , Susan M. Shortreed , Christel Renoux

Dynamic treatment regimes (DTRs) are used in medicine to tailor sequential treatment decisions to patients by considering patient heterogeneity. Common methods for learning optimal DTRs, however, have shortcomings: they are typically based…

机器学习 · 统计学 2023-06-21 Theresa Blümlein , Joel Persson , Stefan Feuerriegel

We study the problem of inferring heterogeneous treatment effects from time-to-event data. While both the related problems of (i) estimating treatment effects for binary or continuous outcomes and (ii) predicting survival outcomes have been…

机器学习 · 计算机科学 2022-01-25 Alicia Curth , Changhee Lee , Mihaela van der Schaar

When drawing causal inferences about the effects of multiple treatments on clustered survival outcomes using observational data, we need to address implications of the multilevel data structure, multiple treatments, censoring and unmeasured…

统计方法学 · 统计学 2022-02-18 Liangyuan Hu , Jiayi Ji , Ronald D. Ennis , Joseph W. Hogan

This paper considers identifying and estimating causal effect parameters in a staggered treatment adoption setting -- that is, where a researcher has access to panel data and treatment timing varies across units. We consider the case where…

计量经济学 · 经济学 2023-08-08 Brantly Callaway , Emmanuel Selorm Tsyawo

Estimating the effect of a treatment on a given outcome, conditioned on a vector of covariates, is central in many applications. However, learning the impact of a treatment on a continuous temporal response, when the covariates suffer…

机器学习 · 计算机科学 2019-06-11 Guangyi Zhang , Reza Ashrafi , Anne Juuti , Kirsi Pietiläinen , Pekka Marttinen

We study treatment effect modifiers for causal analysis in a social network, where neighbors' characteristics or network structure may affect the outcome of a unit, and the goal is to identify sub-populations with varying treatment effects…

社会与信息网络 · 计算机科学 2021-11-09 Amir Gilad , Harsh Parikh , Sudeepa Roy , Babak Salimi

From personalised medicine to targeted advertising, it is an inherent task to provide a sequence of decisions with historical covariates and outcome data. This requires understanding of both the dynamics and heterogeneity of treatment…

统计方法学 · 统计学 2022-06-22 Oscar Hernan Madrid Padilla , Yi Yu

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

A dynamic treatment regime is a sequence of medical decisions that adapts to the evolving clinical status of a patient over time. To facilitate personalized care, it is crucial to assess the probability of each available treatment option…

统计方法学 · 统计学 2024-11-05 Jiefeng Bi , Matteo Borrotti , Bernardo Nipoti

Longitudinal observational patient data can be used to investigate the causal effects of time-varying treatments on time-to-event outcomes. Several methods have been developed for controlling for the time-dependent confounding that…

统计方法学 · 统计学 2021-10-08 Ruth H. Keogh , Jon Michael Gran , Shaun R. Seaman , Gwyneth Davies , Stijn Vansteelandt

This paper considers the identification of dynamic treatment effects with panel data, in complex designs where the treatment may not be binary and may not be absorbing. We first show that under no-anticipation and parallel-trends…

计量经济学 · 经济学 2025-12-23 Clément de Chaisemartin , Xavier D'Haultfœuille

We consider the estimation of treatment effects in settings when multiple treatments are assigned over time and treatments can have a causal effect on future outcomes or the state of the treated unit. We propose an extension of the…

计量经济学 · 经济学 2021-06-18 Greg Lewis , Vasilis Syrgkanis

Estimation of treatment efficacy of real-world clinical interventions involves working with continuous outcomes such as time-to-death, re-hospitalization, or a composite event that may be subject to censoring. Counterfactual reasoning in…

机器学习 · 计算机科学 2022-08-11 Chirag Nagpal , Mononito Goswami , Keith Dufendach , Artur Dubrawski

When devising a course of treatment for a patient, doctors often have little quantitative evidence on which to base their decisions, beyond their medical education and published clinical trials. Stanford Health Care alone has millions of…

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