Skip to content

Instantly share code, notes, and snippets.

View Alescontrela's full-sized avatar

Alejandro Escontrela Alescontrela

View GitHub Profile
@Alescontrela
Alescontrela / pg-pong.py
Created June 1, 2018 01:56 — 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