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Order-Optimal Instance-Dependent Bounds for Offline Reinforcement Learning with Preference Feedback
June 19, 2024, 4:45 a.m. | Zhirui Chen, Vincent Y. F. Tan
cs.LG updates on arXiv.org arxiv.org
Abstract: We consider offline reinforcement learning (RL) with preference feedback in which the implicit reward is a linear function of an unknown parameter. Given an offline dataset, our objective consists in ascertaining the optimal action for each state, with the ultimate goal of minimizing the {\em simple regret}. We propose an algorithm, \underline{RL} with \underline{L}ocally \underline{O}ptimal \underline{W}eights or {\sc RL-LOW}, which yields a simple regret of $\exp ( - \Omega(n/H) )$ where $n$ is the number …
abstract action arxiv cs.ai cs.it cs.lg dataset feedback function instance linear math.it math.st offline reinforcement reinforcement learning state stat.ml stat.th type
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