Skip to content

Instantly share code, notes, and snippets.

View aidansmyth95's full-sized avatar

aidansmyth95

View GitHub Profile
@aidansmyth95
aidansmyth95 / pg-pong.py
Created May 19, 2019 22:48 — forked from karpathy/pg-pong.py
Training a Neural Network ATARI Pong agent with Policy Gradients from raw pixels
""" Trains an agent with (stochastic) Policy Gradients on Pong. Uses OpenAI Gym. """
import numpy as np
import cPickle as pickle
import gym
# hyperparameters
H = 200 # number of hidden layer neurons
batch_size = 10 # every how many episodes to do a param update?
learning_rate = 1e-4
gamma = 0.99 # discount factor for reward