{"about":{"site":"https://codewithpapers.app","non_affiliation":"Code with Papers and Syntology are not affiliated with, endorsed by, or sponsored by Papers with Code, Meta, or the pwc-archive mirror.","licence":"CC BY-SA 4.0","licence_url":"https://creativecommons.org/licenses/by-sa/4.0/legalcode","attribution":"https://codewithpapers.app/attribution","modified":"archive material modified by Syntology; see the attribution page"},"url":"/paper/distributional-reinforcement-learning-with-1","title":"Distributional Reinforcement Learning with Quantile Regression","arxiv_id":"1710.10044","date":"2017-10-27","proceeding":null,"authors":["Will Dabney","Mark Rowland","Marc G. Bellemare","Rémi Munos"],"abstract":"In reinforcement learning an agent interacts with the environment by taking\nactions and observing the next state and reward. When sampled\nprobabilistically, these state transitions, rewards, and actions can all induce\nrandomness in the observed long-term return. Traditionally, reinforcement\nlearning algorithms average over this randomness to estimate the value\nfunction. In this paper, we build on recent work advocating a distributional\napproach to reinforcement learning in which the distribution over returns is\nmodeled explicitly instead of only estimating the mean. That is, we examine\nmethods of learning the value distribution instead of the value function. We\ngive results that close a number of gaps between the theoretical and\nalgorithmic results given by Bellemare, Dabney, and Munos (2017). First, we\nextend existing results to the approximate distribution setting. Second, we\npresent a novel distributional reinforcement learning algorithm consistent with\nour theoretical formulation. Finally, we evaluate this new algorithm on the\nAtari 2600 games, observing that it significantly outperforms many of the\nrecent improvements on DQN, including the related distributional algorithm C51.","url_abs":"http://arxiv.org/abs/1710.10044v1","url_pdf":"http://arxiv.org/pdf/1710.10044v1.pdf","source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 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