Does the Markov Decision Process Fit the Data: Testing for the Markov Property in Sequential Decision Making

ICML 2020

Does the Markov Decision Process Fit the Data: Testing for the Markov Property in Sequential Decision Making

Jul 12, 2020
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The Markov assumption (MA) is fundamental to the empirical validity of reinforcement learning. In this paper, we propose a novel Forward-Backward Learning procedure to test MA in sequential decision making. The proposed test does not assume any parametric form on the joint distribution of the observed data and plays an important role for identifying the optimal policy in high-order Markov decision processes and partially observable MDPs. We apply our test to both synthetic datasets and a real data example from mobile health studies to illustrate its usefulness. Speakers: Chengchun Shi, Runzhe Wan, Rui Song, Wenbin Lu, Ling Leng

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