Search Results for author: Piersilvio De Bartolomeis

Found 4 papers, 2 papers with code

Detecting critical treatment effect bias in small subgroups

1 code implementation29 Apr 2024 Piersilvio De Bartolomeis, Javier Abad, Konstantin Donhauser, Fanny Yang

Randomized trials are considered the gold standard for making informed decisions in medicine, yet they often lack generalizability to the patient populations in clinical practice.

Benchmarking Decision Making +1

Hidden yet quantifiable: A lower bound for confounding strength using randomized trials

2 code implementations6 Dec 2023 Piersilvio De Bartolomeis, Javier Abad, Konstantin Donhauser, Fanny Yang

Further, we show how our lower bound can correctly identify the absence and presence of unobserved confounding in a real-world setting.

valid

How robust accuracy suffers from certified training with convex relaxations

no code implementations12 Jun 2023 Piersilvio De Bartolomeis, Jacob Clarysse, Amartya Sanyal, Fanny Yang

In this paper, we systematically compare the standard and robust error of these two robust training paradigms across multiple computer vision tasks.

Challenging Common Assumptions in Convex Reinforcement Learning

no code implementations3 Feb 2022 Mirco Mutti, Riccardo De Santi, Piersilvio De Bartolomeis, Marcello Restelli

In particular, we show that erroneously optimizing the infinite trials objective in place of the actual finite trials one, as it is usually done, can lead to a significant approximation error.

Imitation Learning reinforcement-learning +1

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