Trading off rewards and errors in multi-armed bandits

Fuente: arXiv
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Auteurs principaux: Erraqabi, Akram, Lazaric, Alessandro, Valko, Michal, Brunskill, Emma, Liu, Yun-En
Format: Preprint
Publié: 2026
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author Erraqabi, Akram
Lazaric, Alessandro
Valko, Michal
Brunskill, Emma
Liu, Yun-En
author_facet Erraqabi, Akram
Lazaric, Alessandro
Valko, Michal
Brunskill, Emma
Liu, Yun-En
contents In multi-armed bandits, the most-explored arms are the most informative, while reward maximization typically pulls only the best arm. We study the tradeoff between identifying arm means accurately and accumulating reward, and present an algorithm with regret guarantees that interpolates between the two objectives. We provide both upper and lower bounds and validate empirically.
format Preprint
id arxiv_https___arxiv_org_abs_2605_00488
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Trading off rewards and errors in multi-armed bandits
Erraqabi, Akram
Lazaric, Alessandro
Valko, Michal
Brunskill, Emma
Liu, Yun-En
Machine Learning
In multi-armed bandits, the most-explored arms are the most informative, while reward maximization typically pulls only the best arm. We study the tradeoff between identifying arm means accurately and accumulating reward, and present an algorithm with regret guarantees that interpolates between the two objectives. We provide both upper and lower bounds and validate empirically.
title Trading off rewards and errors in multi-armed bandits
topic Machine Learning
url https://arxiv.org/abs/2605.00488