Statistics and Samples in Distributional Reinforcement Learning. Rowland, M., Dadashi, R., Kumar, S., Munos, R., Bellemare, M. G., & Dabney, W. ![Statistics and Samples in Distributional Reinforcement Learning [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper abstract bibtex We present a unifying framework for designing and analysing distributional reinforcement learning (DRL) algorithms in terms of recursively estimating statistics of the return distribution. Our key insight is that DRL algorithms can be decomposed as the combination of some statistical estimator and a method for imputing a return distribution consistent with that set of statistics. With this new understanding, we are able to provide improved analyses of existing DRL algorithms as well as construct a new algorithm (EDRL) based upon estimation of the expectiles of the return distribution. We compare EDRL with existing methods on a variety of MDPs to illustrate concrete aspects of our analysis, and develop a deep RL variant of the algorithm, ER-DQN, which we evaluate on the Atari-57 suite of games.
@article{rowlandStatisticsSamplesDistributional2019,
archivePrefix = {arXiv},
eprinttype = {arxiv},
eprint = {1902.08102},
primaryClass = {cs, stat},
title = {Statistics and {{Samples}} in {{Distributional Reinforcement Learning}}},
url = {http://arxiv.org/abs/1902.08102},
abstract = {We present a unifying framework for designing and analysing distributional reinforcement learning (DRL) algorithms in terms of recursively estimating statistics of the return distribution. Our key insight is that DRL algorithms can be decomposed as the combination of some statistical estimator and a method for imputing a return distribution consistent with that set of statistics. With this new understanding, we are able to provide improved analyses of existing DRL algorithms as well as construct a new algorithm (EDRL) based upon estimation of the expectiles of the return distribution. We compare EDRL with existing methods on a variety of MDPs to illustrate concrete aspects of our analysis, and develop a deep RL variant of the algorithm, ER-DQN, which we evaluate on the Atari-57 suite of games.},
urldate = {2019-02-23},
date = {2019-02-21},
keywords = {Statistics - Machine Learning,Computer Science - Machine Learning},
author = {Rowland, Mark and Dadashi, Robert and Kumar, Saurabh and Munos, Rémi and Bellemare, Marc G. and Dabney, Will},
file = {/home/dimitri/Nextcloud/Zotero/storage/X62P89VT/Rowland et al. - 2019 - Statistics and Samples in Distributional Reinforce.pdf;/home/dimitri/Nextcloud/Zotero/storage/92DDSS8C/1902.html}
}
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