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Tobias Hatt

4 accepted papers

2023

Estimating Average Causal Effects from Patient Trajectories

AAAI 2023technical

In medical practice, treatments are selected based on the expected causal effects on patient outcomes. Here, the gold standard for estimating causal effects are randomized controlled trials; however, such trials are costly and sometimes even unethical. Instead, medical practice is increasingly inter…

2023

Estimating Conditional Average Treatment Effects with Missing Treatment Information

AISTATS 2023poster

Estimating conditional average treatment effects (CATE) is challenging, especially when treatment information is missing. Although this is a widespread problem in practice, CATE estimation with missing treatments has received little attention. In this paper, we analyze CATE estimation in the setting…

2022

Generalizing off-policy learning under sample selection bias

UAI 2022poster

Learning personalized decision policies that generalize to the target population is of great relevance. Since training data is often not representative of the target population, standard policy learning methods may yield policies that do not generalize target population. To address this challenge, w…

Cited by 32SourcePDFScholar
2022

Interpretable Off-Policy Learning via Hyperbox Search

ICML 2022spotlight

Personalized treatment decisions have become an integral part of modern medicine. Thereby, the aim is to make treatment decisions based on individual patient characteristics. Numerous methods have been developed for learning such policies from observational data that achieve the best outcome across…