Annales de l'I.H.P. Probabilites et statistiques最新文献

筛选
英文 中文
Performance Guarantees for Policy Learning. 政策学习的绩效保障。
Annales de l'I.H.P. Probabilites et statistiques Pub Date : 2020-08-01 Epub Date: 2020-06-26 DOI: 10.1214/19-aihp1034
Alex Luedtke, Antoine Chambaz
{"title":"Performance Guarantees for Policy Learning.","authors":"Alex Luedtke, Antoine Chambaz","doi":"10.1214/19-aihp1034","DOIUrl":"10.1214/19-aihp1034","url":null,"abstract":"<p><p>This article gives performance guarantees for the regret decay in optimal policy estimation. We give a margin-free result showing that the regret decay for estimating a within-class optimal policy is second-order for empirical risk minimizers over Donsker classes when the data are generated from a fixed data distribution that does not change with sample size, with regret decaying at a faster rate than the standard error of an efficient estimator of the value of an optimal policy. We also present a result giving guarantees on the regret decay of policy estimators for the case that the policy falls within a restricted class and the data are generated from local perturbations of a fixed distribution, where this guarantee is uniform in the direction of the local perturbation. Finally, we give a result from the classification literature that shows that faster regret decay is possible via plug-in estimation provided a margin condition holds. Three examples are considered. In these examples, the regret is expressed in terms of either the mean value or the median value, and the number of possible actions is either two or finitely many.</p>","PeriodicalId":93635,"journal":{"name":"Annales de l'I.H.P. Probabilites et statistiques","volume":"56 3","pages":"2162-2188"},"PeriodicalIF":0.0,"publicationDate":"2020-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8939837/pdf/nihms-1620989.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40316576","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信