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Deep Reinforcement Learning Hands-On
book

Deep Reinforcement Learning Hands-On

by Oleg Vasilev, Maxim Lapan, Martijn van Otterlo, Mikhail Yurushkin, Basem O. F. Alijla
June 2018
Intermediate to advanced content levelIntermediate to advanced
546 pages
13h 30m
English
Packt Publishing
Content preview from Deep Reinforcement Learning Hands-On

I2A on Atari Breakout

The code and training path of I2A is a bit complicated and includes lots of code and several steps. To understand it better, let's start with a brief overview. In this example, we'll implement the I2A architecture described in the paper, adopted to the Atari environments, and test it on the Breakout game. The overall goal is to check the training dynamics and the effect of imagination augmentation on the final policy.

Our example consists of three parts, which correspond to different steps in the training:

  1. Baseline A2C agent in Chapter17/01_a2c.py. The resulting policy is used for obtaining observations of the environment model.
  2. Environment model training in Chapter17/02_imag.py. It uses the model obtained on the previous step ...
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Publisher Resources

ISBN: 9781788834247Supplemental Content