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Derek Miller dmmiller612

  • DeepCure
  • Boston, Massachusetts
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@kkweon
kkweon / policy_gradient.py
Created May 18, 2017 07:17
Keras Policy Gradient Example
"""
Simple policy gradient in Keras
"""
import gym
import numpy as np
from keras import layers
from keras.models import Model
from keras import backend as K
@tokestermw
tokestermw / restore_tf_models.py
Created February 21, 2017 21:09
Restoring frozen models are hard in TensorFlow.
"""
Play with saving .
Closest:
https://github.com/tensorflow/tensorflow/issues/616#issuecomment-205620223
"""
import numpy as np
import tensorflow as tf
from tensorflow.python.platform import gfile
@beeman
beeman / remove-all-from-docker.sh
Created November 15, 2016 03:04
Remove all from Docker
# Stop all containers
docker stop `docker ps -qa`
# Remove all containers
docker rm `docker ps -qa`
# Remove all images
docker rmi -f `docker images -qa `
# Remove all volumes
@karpathy
karpathy / pg-pong.py
Created May 30, 2016 22:50
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
@freeman-lab
freeman-lab / StreamingKMeans.scala
Last active February 26, 2019 07:13
Spark Streaming + MLLib integration examples
package thunder.streaming
import org.apache.spark.{SparkConf, Logging}
import org.apache.spark.rdd.RDD
import org.apache.spark.SparkContext._
import org.apache.spark.streaming._
import org.apache.spark.streaming.dstream.DStream
import org.apache.spark.mllib.clustering.KMeansModel
import scala.util.Random.nextDouble
@mabdrabo
mabdrabo / sound_recorder.py
Created January 28, 2014 23:05
Simple script to record sound from the microphone, dependencies: easy_install pyaudio
import pyaudio
import wave
FORMAT = pyaudio.paInt16
CHANNELS = 2
RATE = 44100
CHUNK = 1024
RECORD_SECONDS = 5
WAVE_OUTPUT_FILENAME = "file.wav"