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Patient trajectories from electronic health records are widely used to estimate conditional average potential outcomes (CAPOs) of treatments over time, which then allows to personalize care. Yet, existing neural methods for this purpose…

机器学习 · 计算机科学 2025-02-19 Konstantin Hess , Stefan Feuerriegel

Counterfactual prediction is a fundamental task in decision-making. G-computation is a method for estimating expected counterfactual outcomes under dynamic time-varying treatment strategies. Existing G-computation implementations have…

机器学习 · 计算机科学 2020-03-25 Rui Li , Zach Shahn , Jun Li , Mingyu Lu , Prithwish Chakraborty , Daby Sow , Mohamed Ghalwash , Li-wei H. Lehman

Exogenous variables offer valuable supplementary information for predicting future endogenous variables. Forecasting with exogenous variables needs to consider both past-to-future dependencies (i.e., temporal correlations) and the influence…

机器学习 · 计算机科学 2026-05-04 Zhengyu Li , Xiangfei Qiu , Yuhan Zhu , Xingjian Wu , Jilin Hu , Chenjuan Guo , Bin Yang

In a clinical trial, the random allocation aims to balance prognostic factors between arms, preventing true confounders. However, residual differences due to chance may introduce near-confounders. Adjusting on prognostic factors is…

统计方法学 · 统计学 2024-11-18 Joe de Keizer , Rémi Lenain , Raphaël Porcher , Sarah Zoha , Arthur Chatton , Yohann Foucher

Uncertainty quantification of predictive models is crucial in decision-making problems. Conformal prediction is a general and theoretically sound answer. However, it requires exchangeable data, excluding time series. While recent works…

机器学习 · 统计学 2022-02-16 Margaux Zaffran , Aymeric Dieuleveut , Olivier Féron , Yannig Goude , Julie Josse

Predictive coding networks are neuroscience-inspired models with roots in both Bayesian statistics and neuroscience. Training such models, however, is quite inefficient and unstable. In this work, we show how by simply changing the temporal…

Population adjustment methods such as matching-adjusted indirect comparison (MAIC) are increasingly used to compare marginal treatment effects when there are cross-trial differences in effect modifiers and limited patient-level data. MAIC…

统计方法学 · 统计学 2022-12-06 Antonio Remiro-Azócar , Anna Heath , Gianluca Baio

Artificial intelligence (AI) has immense potential in time series prediction, but most explainable tools have limited capabilities in providing a systematic understanding of important features over time. These tools typically rely on…

人工智能 · 计算机科学 2024-04-15 Feng Lu , Wei Li , Yifei Sun , Cheng Song , Yufei Ren , Albert Y. Zomaya

Estimating longitudinal treatment effects is essential for sequential decision-making but is challenging due to treatment-confounder feedback. While Iterative Conditional Expectation (ICE) G-computation offers a principled approach, its…

机器学习 · 计算机科学 2026-02-16 Wenxin Chen , Weishen Pan , Kyra Gan , Fei Wang

We propose a new method for training iterative collective classifiers for labeling nodes in network data. The iterative classification algorithm (ICA) is a canonical method for incorporating relational information into classification. Yet,…

机器学习 · 计算机科学 2017-03-21 Shuangfei Fan , Bert Huang

Estimating the counterfactual outcome of treatment is essential for decision-making in public health and clinical science, among others. Often, treatments are administered in a sequential, time-varying manner, leading to an exponentially…

机器学习 · 统计学 2024-07-16 Shenghao Wu , Wenbin Zhou , Minshuo Chen , Shixiang Zhu

This paper presents a computationally feasible method to compute rigorous bounds on the interval-generalisation of regression analysis to account for epistemic uncertainty in the output variables. The new iterative method uses machine…

数据分析、统计与概率 · 物理学 2023-02-22 Krasymyr Tretiak , Georg Schollmeyer , Scott Ferson

In recent years, there has been a growing interest in using machine learning techniques for the estimation of treatment effects. Most of the best-performing methods rely on representation learning strategies that encourage shared behavior…

机器学习 · 计算机科学 2024-04-19 Roger Pros , Jordi Vitrià

Medication recommendation targets to provide a proper set of medicines according to patients' diagnoses, which is a critical task in clinics. Currently, the recommendation is manually conducted by doctors. However, for complicated cases,…

机器学习 · 计算机科学 2022-02-21 Rui Wu , Zhaopeng Qiu , Jiacheng Jiang , Guilin Qi , Xian Wu

In realistic scenarios, multivariate timeseries evolve over case-by-case time-scales. This is particularly clear in medicine, where the rate of clinical events varies by ward, patient, and application. Increasingly complex models have been…

机器学习 · 计算机科学 2020-03-06 Jacob Deasy , Ari Ercole , Pietro Liò

In a supervised online setting, quantifying uncertainty has been proposed in the seminal work of \cite{gibbs2021adaptive}. For any given point-prediction algorithm, their method (ACI) produces a conformal prediction set with an average…

统计理论 · 数学 2025-11-24 Pierre Humbert , Ulysse Gazin , Ruth Heller , Etienne Roquain

Estimating counterfactual outcomes over time from observational data is relevant for many applications (e.g., personalized medicine). Yet, state-of-the-art methods build upon simple long short-term memory (LSTM) networks, thus rendering…

机器学习 · 计算机科学 2022-06-06 Valentyn Melnychuk , Dennis Frauen , Stefan Feuerriegel

Network data have appeared frequently in recent research. For example, in comparing the effects of different types of treatment, network models have been proposed to improve the quality of estimation and hypothesis testing. In this paper,…

统计方法学 · 统计学 2020-09-04 Zhixin Zhou , Ping Li , Feifang Hu

The g-formula can be used to estimate causal effects of sustained treatment strategies using observational data under the identifying assumptions of consistency, positivity, and exchangeability. The non-iterative conditional expectation…

机器学习 · 统计学 2024-10-30 Sophia M Rein , Jing Li , Miguel Hernan , Andrew Beam

We analyse and explain the increased generalisation performance of iterate averaging using a Gaussian process perturbation model between the true and batch risk surface on the high dimensional quadratic. We derive three phenomena…

机器学习 · 统计学 2021-11-02 Diego Granziol , Xingchen Wan , Samuel Albanie , Stephen Roberts
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