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TensorFlow Reinforcement Learning Quick Start Guide

TensorFlow Reinforcement Learning Quick Start Guide

By : Balakrishnan
5 (2)
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TensorFlow Reinforcement Learning Quick Start Guide

TensorFlow Reinforcement Learning Quick Start Guide

5 (2)
By: Balakrishnan

Overview of this book

Advances in reinforcement learning algorithms have made it possible to use them for optimal control in several different industrial applications. With this book, you will apply Reinforcement Learning to a range of problems, from computer games to autonomous driving. The book starts by introducing you to essential Reinforcement Learning concepts such as agents, environments, rewards, and advantage functions. You will also master the distinctions between on-policy and off-policy algorithms, as well as model-free and model-based algorithms. You will also learn about several Reinforcement Learning algorithms, such as SARSA, Deep Q-Networks (DQN), Deep Deterministic Policy Gradients (DDPG), Asynchronous Advantage Actor-Critic (A3C), Trust Region Policy Optimization (TRPO), and Proximal Policy Optimization (PPO). The book will also show you how to code these algorithms in TensorFlow and Python and apply them to solve computer games from OpenAI Gym. Finally, you will also learn how to train a car to drive autonomously in the Torcs racing car simulator. By the end of the book, you will be able to design, build, train, and evaluate feed-forward neural networks and convolutional neural networks. You will also have mastered coding state-of-the-art algorithms and also training agents for various control problems.
Table of Contents (11 chapters)
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Training and testing the DDPG on Pendulum-v0

We will now train the preceding DDPG code on Pendulum-v0. To train the DDPG agent, simply type the following in the command line at the same level as the rest of the code:

python ddpg.py

This will start the training:

 
{'actor_lr': 0.0001,
'buffer_size': 1000000,
'critic_lr': 0.001,
'env': 'Pendulum-v0',
'gamma': 0.99,
'max_episode_len': 1000,
'max_episodes': 250,
'minibatch_size': 64,
'mode': 'train',
'random_seed': 258,
'render_env': False,
'tau': 0.001}
.
.
.
2019-03-03 17:23:10.529725: I tensorflow/stream_executor/cuda/cuda_diagnostics.cc:300] kernel version seems to match DSO: 384.130.0
| Episode: 0 | Reward: -7981 | Qmax: -6.4859
| Episode: 1 | Reward: -7466 | Qmax: -10.1758
| Episode: 2 | Reward...
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