Deep Reinforcement Learning Hands-On: A practical and easy-to-follow guide to RL from Q-learning and DQNs to PPO and RLHF

Maxim Lapan delivers intuitive explanations and insights into complex reinforcement learning (RL) concepts, starting from the basics of RL on simple environments and tasks to modern, state-of-the-art methodsPurchase of the print or Kindle book includes a free PDF eBookFree with your book: DRM-free PDF version + access to Packt's next-gen Reader*Key FeaturesLearn with concise explanations, modern libraries, and diverse applications from games to stock trading and web navigationDevelop deep RL models, improve their stability, and efficiently solve complex environmentsNew content on RL from human feedback (RLHF), MuZero, and transformersBook DescriptionStart your journey into reinforcement learning (RL) and reward yourself with the third edition of Deep Reinforcement Learning Hands-On. This book takes you through the basics of RL to more advanced concepts with the help of various applications, including game playing, discrete optimization, stock trading, and web browser navigation. By walking you through landmark research papers in the field, this deep RL book will equip you with practical knowledge of RL and the theoretical foundation to understand and implement most modern RL papers. The book retains its approach of providing concise and easy-to-follow explanations from the previous editions. You'll work through practical and diverse examples, from grid environments and games to stock trading and RL agents in web environments, to give you a well-rounded understanding of RL, its capabilities, and its use cases. You'll learn about key topics, such as deep Q-networks (DQNs), policy gradient methods, continuous control problems, and highly scalable, non-gradient methods. If you want to learn about RL through a practical approach using OpenAI Gym and PyTorch, concise explanations, and the incremental development of topics, then Deep Reinforcement Learning Hands-On, Third Edition, is your ideal companion*Email sign-up and proof of purchase requiredWhat you will learnStay on the cutting edge with new content on MuZero, RL with human feedback, and LLMsEvaluate RL methods, including cross-entropy, DQN, actor-critic, TRPO, PPO, DDPG, and D4PGImplement RL algorithms using PyTorch and modern RL librariesBuild and train deep Q-networks to solve complex tasks in Atari environmentsSpeed up RL models using algorithmic and engineering approachesLeverage advanced techniques like proximal policy optimization (PPO) for more stable trainingWho this book is forThis book is ideal for machine learning engineers, software engineers, and data scientists looking to learn and apply deep reinforcement learning in practice. It assumes familiarity with Python, calculus, and machine learning concepts. With practical examples and high-level overviews, it’s also suitable for experienced professionals looking to deepen their understanding of advanced deep RL methods and apply them across industries, such as gaming and financeTable of Contents What Is Reinforcement Learning?OpenAI Gym API and GymnasiumDeep Learning with PyTorchThe Cross-Entropy MethodTabular Learning and the Bellman EquationDeep Q-NetworksHigher-Level RL LibrariesDQN Extensions Ways to Speed Up RLStocks Trading Using RLPolicy GradientsActor-Critic Methods - A2C and A3CThe TextWorld EnvironmentWeb NavigationContinuous Action SpaceTrust Region MethodsBlack-Box Optimizations in RLAdvanced Exploration(N.B. Please use the Read Sample option to see further chapters) Read more