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TensorFlow Reinforcement Learning Quick Start Guide

You're reading from  TensorFlow Reinforcement Learning Quick Start Guide

Product type Book
Published in Mar 2019
Publisher Packt
ISBN-13 9781789533583
Pages 184 pages
Edition 1st Edition
Languages
Author (1):
Kaushik Balakrishnan Kaushik Balakrishnan
Profile icon Kaushik Balakrishnan
Toc

Table of Contents (11) Chapters close

Preface 1. Up and Running with Reinforcement Learning 2. Temporal Difference, SARSA, and Q-Learning 3. Deep Q-Network 4. Double DQN, Dueling Architectures, and Rainbow 5. Deep Deterministic Policy Gradient 6. Asynchronous Methods - A3C and A2C 7. Trust Region Policy Optimization and Proximal Policy Optimization 8. Deep RL Applied to Autonomous Driving 9. Assessment 10. Other Books You May Enjoy

Understanding SARSA and Q-Learning

In this section, we will learn about SARSA and Q-Learning and how can they are coded with Python. Before we go further, let's find out what SARSA and Q-Learning are. SARSA is an algorithm that uses the state-action Q values to update. These concepts are derived from the computer science field of dynamic programming, while Q-learning is an off-policy algorithm that was first proposed by Christopher Watkins in 1989, and is a widely used RL algorithm.

Learning SARSA

SARSA is another on-policy algorithm that was very popular, particularly in the 1990s. It is an extension of TD-learning, which we saw previously, and is an on-policy algorithm. SARSA keeps an update of the state-action value...

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