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Despite recent advancements in offline multi-task reinforcement learning (MTRL) have harnessed the powerful capabilities of the Transformer architecture, most approaches focus on a limited number of tasks, with scaling to extremely massive…

机器学习 · 计算机科学 2025-06-02 Yilun Kong , Guozheng Ma , Qi Zhao , Haoyu Wang , Li Shen , Xueqian Wang , Dacheng Tao

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

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

Effect modification occurs while the effect of the treatment is not homogeneous across the different strata of patient characteristics. When the effect of treatment may vary from individual to individual, precision medicine can be improved…

The estimation of heterogeneous treatment effects in the potential outcome setting is biased when there exists model misspecification or unobserved confounding. As these biases are unobservable, what model to use when remains a critical…

统计方法学 · 统计学 2024-05-09 Shonosuke Sugasawa , Kosaku Takanashi , Kenichiro McAlinn , Edoardo M. Airoldi

In the field of medical imaging, AI-assisted techniques such as object detection, segmentation, and classification are widely employed to alleviate the workload of physicians and doctors. However, single-task models are predominantly used,…

图像与视频处理 · 电气工程与系统科学 2025-11-18 Fan Li , Arun Iyengar , Lanyu Xu

Managing patients with multimorbidity often results in polypharmacy: the prescription of multiple drugs. However, the long-term effects of specific combinations of drugs and diseases are typically unknown. In particular, drugs prescribed…

人工智能 · 计算机科学 2016-12-12 Jessa Bekker , Arjen Hommersom , Martijn Lappenschaar , Jesse Davis

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

Cluster-randomized trials (CRTs) are widely used to evaluate interventions delivered at the clinic, practice, or community level. Although standard analyses typically target average treatment effects, such summaries mask potentially…

统计方法学 · 统计学 2026-04-16 Changjun Li , Xi Fang , Michael O. Harhay , Andrew B. Forbes , F. Perry Wilson , Guangyu Tong , Fan Li

We propose a method to reduce variance in treatment effect estimates in the setting of high-dimensional data. In particular, we introduce an approach for learning a metric to be used in matching treatment and control groups. The metric…

应用统计 · 统计学 2017-12-15 Jonathan Bates , Alexander Cloninger

Every design choice will have different effects on different units. However traditional A/B tests are often underpowered to identify these heterogeneous effects. This is especially true when the set of unit-level attributes is…

人工智能 · 计算机科学 2016-11-09 Alexander Peysakhovich , Akos Lada

Experimentation is widely utilized for causal inference and data-driven decision-making across disciplines. In an A/B experiment, for example, an online business randomizes two different treatments (e.g., website designs) to their customers…

统计方法学 · 统计学 2025-01-15 Wenxuan Guo , JungHo Lee , Panos Toulis

As estimation of Heterogeneous Treatment Effect (HTE) is increasingly adopted across a wide range of scientific and industrial applications, the treatment action space can naturally expand, from a binary treatment variable to a structured…

机器学习 · 计算机科学 2025-07-09 Jennifer Y. Zhang , Shuyang Du , Will Y. Zou

Network meta-analysis is a powerful tool to synthesize evidence from independent studies and compare multiple treatments simultaneously. A critical task of performing a network meta-analysis is to offer ranks of all available treatment…

统计方法学 · 统计学 2022-07-15 Andrés F. Barrientos , Garritt L. Page , Lifeng Lin

We introduce the SoftBart approach from Bayesian ensemble learning to estimate the relationship between multipollutant mixtures and health on chronic exposures in epidemiology research. This approach offers several key advantages over…

定量方法 · 定量生物学 2025-05-26 Yu-Chien Ning , Xin Zhou , Francine Laden , Molin Wang

There is growing interest in estimating and analyzing heterogeneous treatment effects in experimental and observational studies. We describe a number of meta-algorithms that can take advantage of any supervised learning or regression method…

统计理论 · 数学 2019-06-18 Sören R. Künzel , Jasjeet S. Sekhon , Peter J. Bickel , Bin Yu

When considering the effect a treatment will cause in a population of interest, we often look to evidence from randomized controlled trials. In settings where multiple trials on a treatment are available, we may wish to synthesize the…

统计方法学 · 统计学 2023-09-08 Nicole Schnitzler , Eloise Kaizar

Estimating heterogeneous treatment effects in network settings is complicated by interference, meaning that the outcome of an instance can be influenced by the treatment status of others. Existing causal machine learning approaches usually…

机器学习 · 计算机科学 2025-10-27 Daan Caljon , Jente Van Belle , Wouter Verbeke

Estimating the effect of medical treatments on subject responses is one of the crucial problems in medical research. Matched-pairs designs are commonly implemented in the field of medical research to eliminate confounding and improve…

统计方法学 · 统计学 2017-11-08 Jun Wang , Wei Gao , Man-Lai Tang

We study how to learn treatment policies from multimodal electronic health records (EHRs) that consist of tabular data and clinical text. These policies can help physicians make better treatment decisions and allocate healthcare resources…

机器学习 · 计算机科学 2026-04-21 Henri Arno , Thomas Demeester