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Estimation and evaluation of individualized treatment rules have been studied extensively, but real-world treatment resource constraints have received limited attention in existing methods. We investigate a setting in which treatment is…

统计方法学 · 统计学 2022-11-24 Hongxiang Qiu , Marco Carone , Alex Luedtke

A treatment regime is a deterministic function that dictates personalized treatment based on patients' individual prognostic information. There is a fast-growing interest in finding optimal treatment regimes to maximize expected long-term…

统计理论 · 数学 2016-11-25 Runchao Jiang , Wenbin Lu , Rui Song , Marie Davidian

Synthesizable molecular design (also known as synthesizable molecular optimization) is a fundamental problem in drug discovery, and involves designing novel molecular structures to improve their properties according to drug-relevant oracle…

机器学习 · 计算机科学 2026-05-07 Dannong Wang , Jintai Chen , Yingzhou Lu , Minjie Shen , Lulu Chen , Zhiding Liang , Tianfan Fu , Xiao-Yang Liu

It is known that reinforcement learning (RL) is data-hungry. To improve sample-efficiency of RL, it has been proposed that the learning algorithm utilize data from 'approximately similar' processes. However, since the process models are…

机器学习 · 计算机科学 2025-11-24 Vinay Kanakeri , Shivam Bajaj , Ashwin Verma , Vijay Gupta , Aritra Mitra

Recent statistical and reinforcement learning methods have significantly advanced patient care strategies. However, these approaches face substantial challenges in high-stakes contexts, including missing data, inherent stochasticity, and…

Reinforcement learning (RL) has shown great success in estimating sequential treatment strategies which take into account patient heterogeneity. However, health-outcome information, which is used as the reward for reinforcement learning…

机器学习 · 计算机科学 2021-02-24 Aaron Sonabend-W , Nilanjana Laha , Ashwin N. Ananthakrishnan , Tianxi Cai , Rajarshi Mukherjee

Prognostication for lung cancer, a leading cause of mortality, remains a complex task, as it needs to quantify the associations of risk factors and health events spanning a patient's entire life. One challenge is that an individual's…

机器学习 · 统计学 2025-08-28 Stephen Salerno , Yi Li

Dynamic treatment regimes assign personalized treatments to patients sequentially over time based on their baseline information and time-varying covariates. In mobile health applications, these covariates are typically collected at…

机器学习 · 统计学 2023-01-04 Yuhe Gao , Chengchun Shi , Rui Song

Health management has become a primary problem as new kinds of diseases and complex symptoms are introduced to a rapidly growing modern society. Building a better and smarter healthcare infrastructure is one of the ultimate goals of a smart…

机器学习 · 计算机科学 2025-03-24 Chu Myaet Thwal , Kyi Thar , Ye Lin Tun , Choong Seon Hong

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

For many applications of reinforcement learning it can be more convenient to specify both a reward function and constraints, rather than trying to design behavior through the reward function. For example, systems that physically interact…

机器学习 · 计算机科学 2017-05-31 Joshua Achiam , David Held , Aviv Tamar , Pieter Abbeel

Individualized treatment rules, cornerstones of precision medicine, inform patient treatment decisions with the goal of optimizing patient outcomes. These rules are generally unknown functions of patients' pre-treatment covariates, meaning…

统计方法学 · 统计学 2025-04-23 Philippe Boileau , Ning Leng , Sandrine Dudoit

With the advancement in drug development, multiple treatments are available for a single disease. Patients can often benefit from taking multiple treatments simultaneously. For example, patients in Clinical Practice Research Datalink (CPRD)…

应用统计 · 统计学 2018-04-17 Muxuan Liang , Ye Ting , Haoda Fu

Many multi-genic systemic diseases such as neurological disorders, inflammatory diseases, and the majority of cancers do not have effective treatments yet. Reinforcement learning powered systems pharmacology is a potentially effective…

生物大分子 · 定量生物学 2022-02-25 Ryan K. Tan , Yang Liu , Lei Xie

In this paper, we present a novel algorithm named synchronous integral Q-learning, which is based on synchronous policy iteration, to solve the continuous-time infinite horizon optimal control problems of input-affine system dynamics. The…

系统与控制 · 电气工程与系统科学 2021-05-20 Lei Guo , Han Zhao

Client heterogeneity poses significant challenges to the performance of Quantum Federated Learning (QFL). To overcome these limitations, we propose a new approach leveraging deep unfolding, which enables clients to autonomously optimize…

机器学习 · 计算机科学 2025-06-26 Shanika Iroshi Nanayakkara , Shiva Raj Pokhrel

Personalization in machine learning (ML) tailors models' decisions to the individual characteristics of users. While this approach has seen success in areas like recommender systems, its expansion into high-stakes fields such as healthcare…

机器学习 · 计算机科学 2024-01-15 Dmitry Ivanov , Omer Ben-Porat

Q-learning is a regression-based approach that is widely used to formalize the development of an optimal dynamic treatment strategy. Finite dimensional working models are typically used to estimate certain nuisance parameters, and…

统计方法学 · 统计学 2020-03-30 Ashkan Ertefaie , James R. McKay , David Oslin , Robert L. Strawderman

This study presents a novel computer system performance optimization and adaptive workload management scheduling algorithm based on Q-learning. In modern computing environments, characterized by increasing data volumes, task complexity, and…

机器学习 · 计算机科学 2024-11-11 Pochun Li , Yuyang Xiao , Jinghua Yan , Xuan Li , Xiaoye Wang

An individualized treatment regime (ITR) is a decision rule that assigns treatments based on patients' characteristics. The value function of an ITR is the expected outcome in a counterfactual world had this ITR been implemented. Recently,…

统计方法学 · 统计学 2023-01-16 Pan Zhao , Julie Josse , Shu Yang