Comparing Model-free and Model-based Algorithms for Offline Reinforcement Learning

• URL: http://arxiv.org/abs/2201.05433v1
• Date: Fri, 14 Jan 2022 13:08:19 GMT
• Title: Comparing Model-free and Model-based Algorithms for Offline Reinforcement Learning
• Authors: Phillip Swazinna, Steffen Udluft, Daniel Hein, Thomas Runkler
• Abstract summary: We compare model-free, model-based, as well as hybrid offline RL approaches on various industrial benchmark (IB) datasets. We find that on the IB, hybrid approaches face severe difficulties and that simpler algorithms, such as rollout based algorithms or model-free algorithms with simpler regularizers perform best.
• Score: 3.1848563608930505
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Offline reinforcement learning (RL) Algorithms are often designed with environments such as MuJoCo in mind, in which the planning horizon is extremely long and no noise exists. We compare model-free, model-based, as well as hybrid offline RL approaches on various industrial benchmark (IB) datasets to test the algorithms in settings closer to real world problems, including complex noise and partially observable states. We find that on the IB, hybrid approaches face severe difficulties and that simpler algorithms, such as rollout based algorithms or model-free algorithms with simpler regularizers perform best on the datasets.

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