- Try to decrease the value of the params.PopulationSize hyperparameter and see what happens. How did this affect the algorithm's performance?
- Try to set zero probabilities for the values of the following hyperparameters: params.ActivationFunction_SignedGauss_Prob, params.ActivationFunction_SignedSigmoid_Prob, and params.ActivationFunction_SignedSine_Prob. Was a successful solution found with these changes? How did this affect the configuration of the substrate connections?
- Print out the winning genome, try to come up with a visualization, then see how your intuition from looking at the genome matches with the visualized CPPN.
Hands-On Neuroevolution with Python
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Hands-On Neuroevolution with Python
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Overview of this book
Neuroevolution is a form of artificial intelligence learning that uses evolutionary algorithms to simplify the process of solving complex tasks in domains such as games, robotics, and the simulation of natural processes. This book will give you comprehensive insights into essential neuroevolution concepts and equip you with the skills you need to apply neuroevolution-based algorithms to solve practical, real-world problems.
You'll start with learning the key neuroevolution concepts and methods by writing code with Python. You'll also get hands-on experience with popular Python libraries and cover examples of classical reinforcement learning, path planning for autonomous agents, and developing agents to autonomously play Atari games. Next, you'll learn to solve common and not-so-common challenges in natural computing using neuroevolution-based algorithms. Later, you'll understand how to apply neuroevolution strategies to existing neural network designs to improve training and inference performance. Finally, you'll gain clear insights into the topology of neural networks and how neuroevolution allows you to develop complex networks, starting with simple ones.
By the end of this book, you will not only have explored existing neuroevolution-based algorithms, but also have the skills you need to apply them in your research and work assignments.
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Current Title:
Hands-On Neuroevolution with Python
Table of Contents (18 chapters)
Preface
Free Chapter
Section 1: Fundamentals of Evolutionary Computation Algorithms and Neuroevolution Methods
Overview of Neuroevolution Methods
Python Libraries and Environment Setup
Section 2: Applying Neuroevolution Methods to Solve Classic Computer Science Problems
Using NEAT for XOR Solver Optimization
Pole-Balancing Experiments
Autonomous Maze Navigation
Novelty Search Optimization Method
Section 3: Advanced Neuroevolution Methods
Hypercube-Based NEAT for Visual Discrimination
ES-HyperNEAT and the Retina Problem
Co-Evolution and the SAFE Method
Deep Neuroevolution
Section 4: Discussion and Concluding Remarks
Best Practices, Tips, and Tricks
Concluding Remarks
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Customer Reviews