Step 6 - Implementing Policy Gradients

1 What is Reinforcement Learning?

2 What is the objective of this project?

3 WorkFlow

4 Step 1 - Import the Modules

5 Importing the Modules

6 Step 2 - Understanding OpenAI Gym

7 Introduction to OpenAI Gym

8 Introduction to OpenAI gym environment

9 Understanding CartPole game of OpenAI gym

10 Let's make the agent play the game!

11 Step 3 - Hard-code simple Policy

12 A simple hard-coded policy

13 Step 4 - Neural Network for the Game

14 Building the Neural Network

15 Game with untrained neural network

16 Training the Neural Network

17 Step 5 - Understanding Policy Gradients

18 Policy Gradients

19 Credit Assignment Problem

20 Step 6 - Implementing Policy Gradients

21 Defining play_one_step function

22 Defining play_multiple_episodes function

23 Defining the discount function and normalizing function

24 Training with Policy Gradients