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Mastering Reinforcement Learning with Python

You're reading from  Mastering Reinforcement Learning with Python

Product type Book
Published in Dec 2020
Publisher Packt
ISBN-13 9781838644147
Pages 544 pages
Edition 1st Edition
Languages
Author (1):
Enes Bilgin Enes Bilgin
Profile icon Enes Bilgin

Table of Contents (24) Chapters

Preface 1. Section 1: Reinforcement Learning Foundations
2. Chapter 1: Introduction to Reinforcement Learning 3. Chapter 2: Multi-Armed Bandits 4. Chapter 3: Contextual Bandits 5. Chapter 4: Makings of a Markov Decision Process 6. Chapter 5: Solving the Reinforcement Learning Problem 7. Section 2: Deep Reinforcement Learning
8. Chapter 6: Deep Q-Learning at Scale 9. Chapter 7: Policy-Based Methods 10. Chapter 8: Model-Based Methods 11. Chapter 9: Multi-Agent Reinforcement Learning 12. Section 3: Advanced Topics in RL
13. Chapter 10: Introducing Machine Teaching 14. Chapter 11: Achieving Generalization and Overcoming Partial Observability 15. Chapter 12: Meta-Reinforcement Learning 16. Chapter 13: Exploring Advanced Topics 17. Section 4: Applications of RL
18. Chapter 14: Solving Robot Learning 19. Chapter 15: Supply Chain Management 20. Chapter 16: Personalization, Marketing, and Finance 21. Chapter 17: Smart City and Cybersecurity 22. Chapter 18: Challenges and Future Directions in Reinforcement Learning 23. Other Books You May Enjoy

Developing strategies to solve the Kuka environment

The object grasping problem in the environment is a hard-exploration problem, meaning that it is unlikely to stumble upon the sparse reward that the agent receives at the end upon grasping the object. Reducing the vertical speed as we will do will make is a bit easier. Still, let's refresh our minds about what strategies we have covered to address these kinds of problems:

  • Reward shaping is one of the most common machine teaching strategies that we discussed earlier. In some problems, incentivizing the agent towards the goal is very straightforward. In many problems, though, it can be quite painful. So, unless there is an obvious way of doing so, crafting the reward function may just take too much time (and expertise about the problem). Also notice that the original reward function has a component to penalize the distance between the gripper and the object, so the reward is already shaped to some extent. We will not go...
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