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Off-OAB: Off-Policy Policy Gradient Method with Optimal Action-Dependent Baseline
May 7, 2024, 4:42 a.m. | Wenjia Meng, Qian Zheng, Long Yang, Yilong Yin, Gang Pan
cs.LG updates on arXiv.org arxiv.org
Abstract: Policy-based methods have achieved remarkable success in solving challenging reinforcement learning problems. Among these methods, off-policy policy gradient methods are particularly important due to that they can benefit from off-policy data. However, these methods suffer from the high variance of the off-policy policy gradient (OPPG) estimator, which results in poor sample efficiency during training. In this paper, we propose an off-policy policy gradient method with the optimal action-dependent baseline (Off-OAB) to mitigate this variance issue. …
abstract arxiv benefit cs.ai cs.lg data estimator gradient however policy reinforcement reinforcement learning success type variance
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