| """ | |
| (C) Mathieu Blondel - 2010 | |
| License: BSD 3 clause | |
| Implementation of the collapsed Gibbs sampler for | |
| Latent Dirichlet Allocation, as described in | |
| Finding scientifc topics (Griffiths and Steyvers) | |
| """ |
| # -*- coding: utf-8 *-* | |
| ''' | |
| The following is a naive, unsupervised text summarizer. | |
| It extracts N of the text's most salient sentences. | |
| Salience is defined as the average of the tf-idf weights of the words in a sentence. | |
| ''' | |
| from nltk import sent_tokenize, word_tokenize | |
| from collections import Counter | |
| from math import log10 |
| """ 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 |
I use PostgreSQL via the psql client. If you use a different client (eg. pgAdmin, etc.), I don't know how much will translate over.
One nice difference between psql and mysql (cli) is that if you press CTRL+C, it won't exit the client.
psql -U postgres