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  • 1
    Online Resource
    Online Resource
    [Erscheinungsort nicht ermittelbar] : mitp Verlag | Boston, MA : Safari
    Language: English , German
    Pages: 1 online resource (768 pages)
    Edition: 2nd edition
    Keywords: Electronic books ; local
    Abstract: Alle wichtigen Methoden und Algorithmen praxisnah erläutert mit Codebeispielen in Python Selbstständig lernende Agenten programmieren für die Steuerung von Robotern, NLP in interaktiven Spielen, Chatbots und mehr Deep Q-Networks, Wertiteration, Policy Gradients, Trust Region Policy Optimization (TRPO), genetische Algorithmen, moderne Explorationsverfahren u.v.m. Reinforcement Learning ist ein Teilgebiet des Machine Learnings. Hierbei werden selbstständig lernende Agenten programmiert, deren Lernvorgang ausschließlich durch ein Belohnungssystem und die Beobachtung der Umgebung gesteuert wird. In diesem umfassenden Praxis-Handbuch zeigt Ihnen Maxim Lapan, wie Sie diese zukunftsweisende Technologie in der Praxis einsetzen. Sie lernen, wie Sie passende RL-Methoden für Ihre Problemstellung auswählen und mithilfe von Deep-Learning-Methoden Agenten für verschiedene Aufgaben trainieren wie zum Beispiel für das Lösen eines Zauberwürfels, für Natural Language Processing in Microsofts TextWorld-Umgebung oder zur Realisierung moderner Chatbots. Alle Beispiele sind so gewählt, dass sie leicht verständlich sind und Sie diese auch ohne Zugang zu sehr großer Rechenleistung umsetzen können. Unter Einsatz von Python und der Bibliothek PyTorch ermöglicht Ihnen der Autor so einen einfachen und praktischen Einstieg in die Konzepte und Methoden des Reinforcement Learnings wie Deep Q-Networks, Wertiteration, Policy Gradients, Trust Region Policy Optimization (TRPO), genetische Algorithmen und viele mehr. Es werden grundlegende Kenntnisse in Machine Learning und Deep Learning sowie ein sicherer Umgang mit Python vorausgesetzt. Aus dem Inhalt: Implementierung komplexer Deep-Learning-Modelle mit RL in tiefen neuronalen Netzen Ermitteln der passenden RL-Methoden für verschiedene Problemstellungen, darunter DQN, Advantage Actor Critic, PPO, TRPO, DDPG, D4PG und mehr Bauen und Trainieren eines kostengünstigen Hardware-Roboters NLP in Microsofts TextWorld-Umgebung für interaktive Spiele Diskrete Optimierung für das Lösen von Zauberwürfeln Trainieren von Agenten für Vier Gewinnt mittels AlphaGo Zero Die neuesten Deep-RL-Methoden für Chatbots Moderne Explorationsverfahren wie verrauschte Netze und Netz-Destillation Über den Autor: Maxim Lapan ist Deep-Learning-Enthusiast und unabhängiger Forscher. Er besitzt langjährige Berufserfahrung in den Bereichen Big Data und Machine Learning und hat das Talent, komplizierte Dinge in einfacher Sprache und mit anschaulichen Beispielen z...
    Note: Online resource; Title from title page (viewed June 19, 2020) , Mode of access: World Wide Web.
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  • 2
    Online Resource
    Online Resource
    [Erscheinungsort nicht ermittelbar] : Packt Publishing | Boston, MA : Safari
    Language: English
    Pages: 1 online resource (826 pages)
    Edition: 2nd edition
    Keywords: Electronic books ; local
    Abstract: New edition of the bestselling guide to deep reinforcement learning and how it's used to solve complex real-world problems. Revised and expanded to include multi-agent methods, discrete optimization, RL in robotics, advanced exploration techniques, and more Key Features Second edition of the bestselling introduction to deep reinforcement learning, expanded with six new chapters Learn advanced exploration techniques including noisy networks, pseudo-count, and network distillation methods Apply RL methods to cheap hardware robotics platforms Book Description Deep Reinforcement Learning Hands-On, Second Edition is an updated and expanded version of the bestselling guide to the very latest reinforcement learning (RL) tools and techniques. It provides you with an introduction to the fundamentals of RL, along with the hands-on ability to code intelligent learning agents to perform a range of practical tasks. With six new chapters devoted to a variety of up-to-the-minute developments in RL, including discrete optimization (solving the Rubik's Cube), multi-agent methods, Microsoft's TextWorld environment, advanced exploration techniques, and more, you will come away from this book with a deep understanding of the latest innovations in this emerging field. In addition, you will gain actionable insights into such topic areas as deep Q-networks, policy gradient methods, continuous control problems, and highly scalable, non-gradient methods. You will also discover how to build a real hardware robot trained with RL for less than $100 and solve the Pong environment in just 30 minutes of training using step-by-step code optimization. In short, Deep Reinforcement Learning Hands-On, Second Edition, is your companion to navigating the exciting complexities of RL as it helps you attain experience and knowledge through real-world examples. What you will learn Understand the deep learning context of RL and implement complex deep learning models Evaluate RL methods including cross-entropy, DQN, actor-critic, TRPO, PPO, DDPG, D4PG, and others Build a practical hardware robot trained with RL methods for less than $100 Discover Microsoft's TextWorld environment, which is an interactive fiction games platform Use discrete optimization in RL to solve a Rubik's Cube Teach your agent to play Connect 4 using AlphaGo Zero Explore the very latest deep RL research on topics including AI chatbots Discover advanced exploration techniques, including noisy networks and network di...
    Note: Online resource; Title from title page (viewed January 31, 2020) , Mode of access: World Wide Web.
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  • 3
    ISBN: 9781788839303 , 1788839307
    Language: English
    Pages: 1 online resource (1 volume) , illustrations
    Keywords: Reinforcement learning ; Machine learning ; Natural language processing (Computer science) ; Artificial intelligence ; Electronic books ; Electronic books ; local
    Abstract: This practical guide will teach you how deep learning (DL) can be used to solve complex real-world problems. About This Book Explore deep reinforcement learning (RL), from the first principles to the latest algorithms Evaluate high-profile RL methods, including value iteration, deep Q-networks, policy gradients, TRPO, PPO, DDPG, D4PG, evolution strategies and genetic algorithms Keep up with the very latest industry developments, including AI-driven chatbots Who This Book Is For Some fluency in Python is assumed. Basic deep learning (DL) approaches should be familiar to readers and some practical experience in DL will be helpful. This book is an introduction to deep reinforcement learning (RL) and requires no background in RL. What You Will Learn Understand the DL context of RL and implement complex DL models Learn the foundation of RL: Markov decision processes Evaluate RL methods including Cross-entropy, DQN, Actor-Critic, TRPO, PPO, DDPG, D4PG and others Discover how to deal with discrete and continuous action spaces in various environments Defeat Atari arcade games using the value iteration method Create your own OpenAI Gym environment to train a stock trading agent Teach your agent to play Connect4 using AlphaGo Zero Explore the very latest deep RL research on topics including AI-driven chatbots In Detail Recent developments in reinforcement learning (RL), combined with deep learning (DL), have seen unprecedented progress made towards training agents to solve complex problems in a human-like way. Google's use of algorithms to play and defeat the well-known Atari arcade games has propelled the field to prominence, and researchers are generating new ideas at a rapid pace. Deep Reinforcement Learning Hands-On is a comprehensive guide to the very latest DL tools and their limitations. You will evaluate methods including Cross-entropy and policy gradients, before applying them to real-world environments. Take on both the Atari set of virtual games and family favorites such as Connect4. The book provides an introduction to the basics of RL, giving you the know-how to code intelligent learning agents to take on a formidable array of practical tasks. Discover how to implement Q-learning on 'grid world' environments, teach your agent to buy and trade stocks, and find out how natural language models are driving the boom in chatbots. Style and approach Deep Reinforcement Learning Hands-On explains the art of building self-learning agents using algori...
    Note: "Expert insight.". - Includes bibliographical references and index. - Description based on online resource; title from cover (Safari, viewed July 30, 2018)
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