Skip to content

Instantly share code, notes, and snippets.

View hunkim's full-sized avatar
:bowtie:
Happy!

Sung Kim hunkim

:bowtie:
Happy!
View GitHub Profile
@hunkim
hunkim / pg-pong.py
Created June 1, 2016 03:10 — 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