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Mat Leonard, Miguel Morales, Chhavi Yadav, Dana Sheahan, Cezanne Camacho, Alexis Cook, Arpan Chakraborty, Luis Serrano, and Juan Delgado

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What's inside

Syllabus

Obtain helpful resources to accelerate your learning in the third part of the Nanodegree program.
Policy-based methods try to directly optimize for the optimal policy.
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Traffic lights

Read about what's good
what should give you pause
and possible dealbreakers
Applies reinforcement learning concepts to optimize portfolio execution
Combines value-based and policy-based methods to tackle challenging reinforcement learning problems
Provides hands-on experience implementing reinforcement learning algorithms
Covers Proximal Policy Optimization (PPO) for improved policy gradients in Atari Pong

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Reviews summary

Policy-based methods: advanced rl concepts

According to students, this course provides a solid foundation in policy-based reinforcement learning methods, primarily focusing on Proximal Policy Optimization (PPO) and its implementation. Learners frequently highlight the practical applications through engaging hands-on activities like the Atari Pong game and training a double-jointed arm, considering them a major strength. While many find the lectures and instructor's explanations clear and insightful, a notable portion of learners indicate that the course has significant prerequisites, making it challenging for beginners without a strong background in mathematics and machine learning. Some also suggest it could benefit from more in-depth coverage on certain advanced topics. Overall, it's considered highly valuable for professionals aiming to apply deep reinforcement learning in fields like quantitative finance.
While comprehensive, some desire deeper dives into specific advanced topics.
"I wished there were more advanced examples and case studies beyond the initial introduction to portfolio transactions."
"Could use more in-depth coverage on specific optimization techniques within PPO, as the module felt a bit constrained."
"The course provides a great overview, but for true mastery, I felt the need to seek outside resources for additional depth."
Covers complex topics like PPO and combined RL methods.
"The course dives deep into Proximal Policy Optimization (PPO), which is crucial for modern reinforcement learning applications."
"I gained a profound understanding of how to combine value-based and policy-based methods to solve complex problems."
"The material on policy gradient methods through gradient ascent was thoroughly explained, building a strong base."
Miguel Morales provides clear and insightful explanations.
"Miguel Morales' lectures were a highlight; he made incredibly complex topics digestible and engaging."
"The instructor's passion for the subject really shone through, making the learning process enjoyable."
"His explanations, particularly on combining different RL methods, were some of the clearest I've encountered."
Provides a solid understanding of underlying algorithms and principles.
"The course beautifully ties the theory with practical implementation, providing a complete learning experience."
"I really appreciated the clear derivations and the focus on the mathematical foundations of the algorithms."
"This course provided me with the necessary theoretical backbone to understand and implement advanced RL techniques."
Focuses on real-world implementations of policy-based methods.
"The hands-on coding and projects, especially with Atari Pong, really helped me solidify the theoretical concepts."
"I found the module on applying deep reinforcement learning to portfolio transactions to be incredibly applicable to my work."
"Training the double-jointed arm was a fantastic way to see DRL in action and understand its potential."
Some learners found the course content moved quickly.
"The pace felt quite fast at times, especially when new, complex concepts were introduced without much warm-up."
"I had to frequently pause and rewatch lectures to fully grasp the material, especially in the later sections."
"Could benefit from more intermediate steps or a slightly slower progression for some of the more advanced derivations."
Requires a solid background in math and machine learning.
"This course is definitely not for beginners; it assumes a strong foundation in reinforcement learning and advanced mathematics."
"I found myself needing to constantly review linear algebra and calculus to keep up, which added to the challenge."
"If you don't have prior experience with deep learning frameworks, be prepared for a steep learning curve."

Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Policy-Based Methods with these activities:
Review how neural networks work
Improve the ability to understand the underlying concepts and algorithms in the course.
Browse courses on Neural Networks
Show steps
  • Review online tutorials and videos explaining the basics of neural networks.
  • Complete practice exercises on neural network architectures and training.
Participate in online discussion forums
Engage with peers, share knowledge, and clarify concepts to deepen understanding.
Show steps
  • Join online discussion forums or groups related to the course topics.
  • Actively participate in discussions, ask questions, and provide answers.
  • Collaborate with peers on problem-solving and knowledge sharing.
Follow tutorials on implementing PPO in Python
Enhance practical understanding of PPO and gain hands-on experience in implementing the algorithm.
Browse courses on Reinforcement Learning
Show steps
  • Find online tutorials that guide through the implementation of PPO in Python.
  • Follow the tutorials step-by-step and run the code examples.
  • Experiment with different parameters and observe the impact on PPO's performance.
One other activity
Expand to see all activities and additional details
Show all four activities
Write a blog post summarizing key concepts
Solidify understanding by articulating and explaining concepts in written form.
Browse courses on Content Creation
Show steps
  • Choose a specific topic covered in the course.
  • Research and gather relevant information.
  • Write a well-structured blog post summarizing the key concepts.

Career center

Learners who complete Policy-Based Methods will develop knowledge and skills that may be useful to these careers:
Portfolio Manager
Portfolio managers are professionals who make investment decisions with a goal of generating positive returns for their clients. They analyze market data, develop investment strategies, and allocate funds among different asset classes, such as stocks, bonds, and real estate. As a portfolio manager, you would have the opportunity to apply the deep reinforcement learning techniques you learn in this course to optimize the execution of portfolio transactions and enhance returns for your clients.
Financial Analyst
Financial analysts provide research and recommendations to investors and businesses. They analyze financial data, market trends, and economic indicators to make investment recommendations and provide insights into the financial performance of companies. The knowledge you gain from this course in policy-based methods, such as policy gradient methods and Proximal Policy Optimization (PPO), can help you build a strong foundation for making informed investment decisions and advising clients on financial matters.
Data Scientist
Data scientists use their expertise in statistics, machine learning, and data analysis to solve complex problems and make data-driven decisions. They work in various industries, such as healthcare, finance, and retail, to gather, analyze, and interpret data to derive meaningful insights. The skills you develop in this course in optimizing policies and implementing algorithms can be valuable for your career as a Data Scientist, as you will be able to apply these techniques to data-related challenges and develop effective solutions.
Machine Learning Engineer
Machine Learning Engineers design, develop, and deploy machine learning models to solve real-world problems. They work on a wide range of applications, from image and speech recognition to natural language processing and predictive analytics. The knowledge you gain in this course on policy-based methods, such as policy gradient methods and Proximal Policy Optimization (PPO), can help you build a solid foundation for your career as a Machine Learning Engineer, as these techniques are commonly used in the field to optimize learning algorithms and improve model performance.
Software Engineer
Software Engineers design, develop, and maintain software applications. They work on a wide range of projects, from mobile apps to enterprise systems, and use their skills in programming, software design, and testing to create innovative solutions. The problem-solving skills you develop in this course, particularly in optimizing policies and implementing algorithms, can be valuable for your career as a Software Engineer, as you will be able to apply these techniques to design and develop efficient and effective software solutions.
Operations Research Analyst
Operations Research Analysts use mathematical and analytical techniques to solve complex problems in various industries, such as healthcare, transportation, and logistics. They develop and implement models to optimize operations, improve efficiency, and make better decisions. The skills you gain in this course in policy-based methods, such as policy gradient methods and Proximal Policy Optimization (PPO), can be valuable for your career as an Operations Research Analyst, as these techniques are commonly used to optimize systems and processes.
Quantitative Analyst
Quantitative Analysts use their expertise in mathematics, statistics, and computer programming to develop and implement mathematical models for financial applications. They work in investment banks, hedge funds, and other financial institutions to analyze data, develop trading strategies, and manage risk. The knowledge you gain from this course in policy-based methods, such as policy gradient methods and Proximal Policy Optimization (PPO), can enhance your ability to develop and optimize quantitative models for financial analysis and trading.
Robotics Engineer
Robotics Engineers design, develop, and maintain robots for various applications, such as manufacturing, healthcare, and space exploration. They use their skills in mechanical engineering, computer science, and electronics to create robots that can perform complex tasks and solve real-world problems. The knowledge you gain in this course in policy-based methods, such as policy gradient methods and Proximal Policy Optimization (PPO), can be valuable for your career as a Robotics Engineer, as these techniques are commonly used to optimize robot behavior and control.
Game Designer
Game Designers create and design video games. They work on a wide range of games, from mobile games to console games, and use their skills in storytelling, level design, and programming to create engaging and immersive experiences for players. The knowledge you gain in this course on policy-based methods, such as policy gradient methods and Proximal Policy Optimization (PPO), can enhance your ability to design and develop game AI and improve the gameplay experience for players.
Artificial Intelligence Researcher
Artificial Intelligence Researchers conduct research and develop new methods and algorithms for advancing the field of artificial intelligence. They work on a wide range of topics, from machine learning to computer vision, and use their skills in mathematics, computer science, and data analysis to push the boundaries of AI capabilities. The knowledge you gain in this course on policy-based methods, such as policy gradient methods and Proximal Policy Optimization (PPO), can contribute to your research in AI and help you develop innovative solutions to complex problems.
Business Analyst
Business Analysts analyze and solve business problems by using data and technology. They work in various industries, such as finance, healthcare, and consulting, and use their skills in data analysis, process improvement, and stakeholder management to identify and address business challenges. The problem-solving skills you develop in this course, particularly in optimizing policies and implementing algorithms, can be valuable for your career as a Business Analyst, as you will be able to apply these techniques to analyze and improve business processes.
Data Analyst
Data Analysts collect, clean, and analyze data to extract meaningful insights and inform decision-making. They work in various industries, such as finance, healthcare, and retail, and use their skills in data manipulation, statistical analysis, and data visualization to uncover patterns and trends in data. The knowledge you gain in this course on policy-based methods, such as policy gradient methods and Proximal Policy Optimization (PPO), can enhance your ability to analyze data and develop data-driven solutions to business problems.
Project Manager
Project Managers plan, execute, and close projects to achieve specific goals. They work in various industries, such as construction, software development, and healthcare, and use their skills in project planning, budgeting, and stakeholder management to ensure projects are completed successfully. The problem-solving skills you develop in this course, particularly in optimizing policies and implementing algorithms, can be valuable for your career as a Project Manager, as you will be able to apply these techniques to plan and execute projects efficiently and effectively.
Statistician
Statisticians collect, analyze, and interpret data to draw meaningful conclusions. They work in various industries, such as healthcare, finance, and research, and use their skills in statistical modeling, data analysis, and probability theory to solve complex problems and make informed decisions. The knowledge you gain in this course on policy-based methods, such as policy gradient methods and Proximal Policy Optimization (PPO), can enhance your ability to develop and analyze statistical models and make data-driven recommendations.
Software Developer
Software Developers design, develop, and test software applications. They work on a wide range of projects, from mobile apps to enterprise systems, and use their skills in programming, software design, and testing to create innovative solutions. The problem-solving skills you develop in this course, particularly in optimizing policies and implementing algorithms, can be valuable for your career as a Software Developer, as you will be able to apply these techniques to design and develop efficient and effective software solutions.

Reading list

We've selected six books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Policy-Based Methods.
Provides a comprehensive introduction to the field of reinforcement learning, covering the fundamental concepts and algorithms. It valuable resource for anyone who wants to learn more about this topic.
Provides a comprehensive overview of value-based methods for reinforcement learning. It valuable resource for anyone who wants to learn more about this topic.
This advanced textbook presents the latest research and developments in reinforcement learning. It covers a wide range of topics, including deep RL, multi-agent RL, and applications in various domains. It is suitable for advanced learners and researchers.
Provides a comprehensive overview of optimal control theory. It valuable resource for researchers and practitioners in the field.
Provides a comprehensive overview of deep learning for coders. It valuable resource for both beginners and experienced practitioners.
Provides a comprehensive overview of planning with Markov Decision Processes. It valuable resource for anyone who wants to learn more about this topic.

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