Reinforcement Learning is one of the most useful methodologies for training AI systems right now, and, while it might seem intimidating, is actually very similar to how you and I learn. This StatQuest cuts through the hype and helps you learn the essential concepts behind reinforcement learning one step at a time. For a complete index of all the StatQuest videos, check out: If you'd like to support StatQuest, please consider... Patreon: ...or... YouTube Membership: ...buying one of my books, a study guide, a t-shirt or hoodie, or a song from the StatQuest store... ...or just donating to StatQuest! Lastly, if you want to keep up with me as I research and create new StatQuests, follow me on twitter: 0:00 Awesome song and introduction 2:07 Updating the Policy, part 1 7:04 Understanding the Learning Rate 9:19 Updating the Policy, part 2 14:29 Reinforcement Learning Terminology #StatQuest