def train_without_pretrained_embedding():
x, y, vocab, vocab_inv = data_helpers.load_data()
vocab_size = len(vocab)
# randomly shuffle data
np.random.seed(10)
shuffle_indices = np.random.permutation(np.arange(len(y)))
x_shuffled = x[shuffle_indices]
y_shuffled = y[shuffle_indices]
# split train/dev set
x_train, x_dev = x_shuffled[:-1000], x_shuffled[-1000:]
y_train, y_dev = y_shuffled[:-1000], y_shuffled[-1000:]
print('Train/Dev split: %d/%d' % (len(y_train), len(y_dev)))
print('train shape:', x_train.shape)
print('dev shape:', x_dev.shape)
print('vocab_size', vocab_size)
batch_size = 50
num_embed = 300
sentence_size = x_train.shape[1]
print('batch size', batch_size)
print('sentence max words', sentence_size)
print('embedding size', num_embed)
cnn_model = setup_cnn_model(mx.gpu(0), batch_size, sentence_size, num_embed, vocab_size, dropout=0.5, with_embedding=False)
train_cnn(cnn_model, x_train, y_train, x_dev, y_dev, batch_size)
def load_data(data_source):
assert data_source in ["keras_data_set", "local_dir"], "Unknown data source"
if data_source == "keras_data_set":
(x_train, y_train), (x_test, y_test) = imdb.load_data(num_words=max_words, start_char=None,
oov_char=None, index_from=None)
x_train = sequence.pad_sequences(x_train, maxlen=sequence_length, padding="post", truncating="post")
x_test = sequence.pad_sequences(x_test, maxlen=sequence_length, padding="post", truncating="post")
vocabulary = imdb.get_word_index()
vocabulary_inv = dict((v, k) for k, v in vocabulary.items())
vocabulary_inv[0] = "<PAD/>"
else:
x, y, vocabulary, vocabulary_inv_list = data_helpers.load_data()
vocabulary_inv = {key: value for key, value in enumerate(vocabulary_inv_list)}
y = y.argmax(axis=1)
# Shuffle data
shuffle_indices = np.random.permutation(np.arange(len(y)))
x = x[shuffle_indices]
y = y[shuffle_indices]
train_len = int(len(x) * 0.9)
x_train = x[:train_len]
y_train = y[:train_len]
x_test = x[train_len:]
y_test = y[train_len:]
return x_train, y_train, x_test, y_test, vocabulary_inv
def data_iter(batch_size, num_embed, pre_trained_word2vec=False):
"""Construct data iter
Parameters
----------
batch_size: int
num_embed: int
pre_trained_word2vec: boolean
identify the pre-trained layers or not
Returns
----------
train_set: DataIter
Train DataIter
valid: DataIter
Valid DataIter
sentences_size: int
array dimensions
embedded_size: int
array dimensions
vocab_size: int
array dimensions
"""
print('Loading data...')
if pre_trained_word2vec:
word2vec = data_helpers.load_pretrained_word2vec('data/rt.vec')
x, y = data_helpers.load_data_with_word2vec(word2vec)
# reshape for convolution input
x = np.reshape(x, (x.shape[0], 1, x.shape[1], x.shape[2]))
embedded_size = x.shape[-1]
sentences_size = x.shape[2]
vocabulary_size = -1
else:
x, y, vocab, vocab_inv = data_helpers.load_data()
embedded_size = num_embed
sentences_size = x.shape[1]
vocabulary_size = len(vocab)
# randomly shuffle data
np.random.seed(10)
shuffle_indices = np.random.permutation(np.arange(len(y)))
x_shuffled = x[shuffle_indices]
y_shuffled = y[shuffle_indices]
# split train/valid set
x_train, x_dev = x_shuffled[:-1000], x_shuffled[-1000:]
y_train, y_dev = y_shuffled[:-1000], y_shuffled[-1000:]
print('Train/Valid split: %d/%d' % (len(y_train), len(y_dev)))
print('train shape:', x_train.shape)
print('valid shape:', x_dev.shape)
print('sentence max words', sentences_size)
print('embedding size', embedded_size)
print('vocab size', vocabulary_size)
train_set = mx.io.NDArrayIter(
x_train, y_train, batch_size, shuffle=True)
valid = mx.io.NDArrayIter(
x_dev, y_dev, batch_size)
return train_set, valid, sentences_size, embedded_size, vocabulary_size
def run(self):
input_data, label_data = data_helpers.load_data()
n_steps = 3
n_input = 1
n_classes = 1
n_hidden = self.n_hidden
batch_size = self.batch_size
training_iters = self.training_iters
display_step = self.display_step
checkpoint_step = self.checkpoint_step
# batches = data_helpers.batch_gen(zip(input_data, label_data), 2)
# for batch in batches:
# x_batch, y_batch = zip(*batch)
# print('-' * 50)
# print(x_batch)
# print(y_batch)
new_rnn = RNN(n_steps=n_steps, n_input=n_input,
n_hidden=self.n_hidden, n_classes=n_classes)
global_step = tf.Variable(0, name="global_step", trainable=False)
optimizer = tf.train.AdamOptimizer(learning_rate=self.learning_rate).minimize(new_rnn.cost, global_step=global_step) # Adam Optimizer
# optimizer = tf.train.AdamOptimizer(self.learning_rate)
# grads_and_vars = optimizer.compute_gradients(new_rnn.cost)
# train_op = optimizer.apply_gradients(grads_and_vars, global_step=global_step)
# Checkpoint directory. Tensorflow assumes this directory already exists so we need to create it
checkpoint_dir = os.path.join(self.out_dir, "checkpoints")
checkpoint_prefix = os.path.join(checkpoint_dir, "model")
if not os.path.exists(checkpoint_dir):
os.makedirs(checkpoint_dir)
saver = tf.train.Saver(tf.all_variables(), max_to_keep=1)
init = tf.initialize_all_variables()
with tf.Session() as sess:
sess.run(init)
def train_step(_x_batch, _y_batch):
feed_dict = {new_rnn.x: _x_batch, new_rnn.y: _y_batch,
new_rnn.istate: np.zeros((batch_size, 2*n_hidden))}
_, step = sess.run([optimizer, global_step], feed_dict=feed_dict)
step = tf.train.global_step(sess, global_step)
if step % display_step == 0:
# Calculate batch accuracy
acc = sess.run(new_rnn.accuracy, feed_dict=feed_dict)
# Calculate batch loss
loss = sess.run(new_rnn.cost, feed_dict=feed_dict)
# print "Iter " + str(step*batch_size) + ", Minibatch Loss= " + "{:.6f}".format(loss) + \
# ", Training Accuracy= " + "{:.5f}".format(acc)
print "Iter " + str(step*batch_size) + ", Minibatch Loss= " + str(loss) + \
", Training Accuracy= " + str(acc)
if step % checkpoint_step == 0:
path = saver.save(sess, checkpoint_prefix, global_step=step)
print("Saved model checkpoint to {}\n".format(path))
batches = data_helpers.batch_iter(zip(input_data, label_data), batch_size, training_iters)
for batch in batches:
x_batch, y_batch = zip(*batch)
x_batch = np.array(x_batch).reshape((batch_size, n_steps, n_input))
train_step(x_batch, y_batch)
def read_from_dataset(dataset_path, word2vec_model_path, n_classes, max_seq_len_cutoff):
print("Loading data...")
x, y, seq_max_len, vocabulary, vocabulary_inv, word2vec_vocab, word2vec_vec = data_helpers.load_data(
dataset_path, word2vec_model_path, n_classes, max_seq_len_cutoff)
myvocab_size = len(vocabulary)
x_train, x_dev, y_train, y_dev = train_test_split(x, y, test_size=0.3, random_state=42)
print("Train/Dev split: {:d}/{:d}".format(len(y_train), len(y_dev)))
print("max_seq_len is: ", seq_max_len)
return x_train, x_dev, y_train, y_dev, seq_max_len, vocabulary, vocabulary_inv, word2vec_vocab, word2vec_vec
def read_from_dataset(dataset_path, word2vec_model_path, n_classes, max_seq_len_cutoff):
print("Loading data...")
x, y, seq_max_len, vocabulary, vocabulary_inv, word2vec_vocab, word2vec_vec = data_helpers.load_data(dataset_path, word2vec_model_path, n_classes, max_seq_len_cutoff)
x_train, x_dev, y_train, y_dev = train_test_split(x, y, test_size=0.3, random_state=42)
if(FLAGS.is_evaluation == True):
x_train, x_dev, y_train, y_dev = train_test_split(x_train, y_train, test_size=0.2, random_state=27)
FLAGS.evaluate_every=1
pass
print("Train/Dev split: {:d}/{:d}".format(len(y_train), len(y_dev)))
print("max_seq_len is: ", seq_max_len)
return x_train, x_dev, y_train, y_dev, seq_max_len, vocabulary, vocabulary_inv, word2vec_vocab, word2vec_vec
def data_iter(batch_size, num_embed, pre_trained_word2vec=False):
print('Loading data...')
if pre_trained_word2vec:
word2vec = data_helpers.load_pretrained_word2vec('data/rt.vec')
x, y = data_helpers.load_data_with_word2vec(word2vec)
# reshpae for convolution input
x = np.reshape(x, (x.shape[0], 1, x.shape[1], x.shape[2]))
embed_size = x.shape[-1]
sentence_size = x.shape[2]
vocab_size = -1
else:
x, y, vocab, vocab_inv = data_helpers.load_data()
embed_size = num_embed
sentence_size = x.shape[1]
vocab_size = len(vocab)
# randomly shuffle data
np.random.seed(10)
shuffle_indices = np.random.permutation(np.arange(len(y)))
x_shuffled = x[shuffle_indices]
y_shuffled = y[shuffle_indices]
# split train/valid set
x_train, x_dev = x_shuffled[:-1000], x_shuffled[-1000:]
y_train, y_dev = y_shuffled[:-1000], y_shuffled[-1000:]
print('Train/Valid split: %d/%d' % (len(y_train), len(y_dev)))
print('train shape:', x_train.shape)
print('valid shape:', x_dev.shape)
print('sentence max words', sentence_size)
print('embedding size', embed_size)
print('vocab size', vocab_size)
train = mx.io.NDArrayIter(
x_train, y_train, batch_size, shuffle=True)
valid = mx.io.NDArrayIter(
x_dev, y_dev, batch_size)
return (train, valid, sentence_size, embed_size, vocab_size)
def do_inference(hostport, work_dir, concurrency, num_tests):
"""Tests PredictionService with concurrent requests.
Args:
hostport: Host:port address of the PredictionService.
work_dir: The full path of working directory for test data set.
concurrency: Maximum number of concurrent requests.
num_tests: Number of test images to use.
Returns:
The classification error rate.
Raises:
IOError: An error occurred processing test data set.
"""
# print(load_data(1))
# return
x, y, vocabulary, vocabulary_inv = load_data(1)
# print(x) # ['2' '144' '1073' ..., '0' '0' '0']
# print(y) # [0 1]
# print(vocabulary) # 'breakpoints': '169715', 'shrill': '61929', '1day': '22983'
# print(vocabulary_inv) # ['krystyn'], ['litracey'], ['failbringer']
# return
# Randomly shuffle datas
np.random.seed(123)
shuffle_indices = np.random.permutation(np.arange(len(y)))
x_shuffled = x[shuffle_indices]
y_shuffled = y[shuffle_indices]
# Split train/test set
text_percent = FLAGS.test_data_ratio / 100.0
test_index = int(len(x) * text_percent)
x_train, x_test = x_shuffled[:-test_index], x_shuffled[-test_index:]
y_train, y_test = y_shuffled[:-test_index], y_shuffled[-test_index:]
# batches = batch_iter(zip(x_train, y_train), FLAGS.batch_size, FLAGS.epochs)
test_batches = list(batch_iter(zip(x_test, y_test), FLAGS.batch_size, 1))
host, port = hostport.split(':')
channel = implementations.insecure_channel(host, int(port))
stub = prediction_service_pb2.beta_create_PredictionService_stub(channel)
result_counter = _ResultCounter(num_tests, concurrency)
print("Testing start................: batch size: " +
str(len(test_batches)))
for batch in test_batches:
request = predict_pb2.PredictRequest()
request.model_spec.name = 'twitter-sentiment'
request.model_spec.signature_name = 'predict_text'
test_data, label = zip(*batch)
desired_array = [
int(numeric_string) for numeric_string in test_data[0]
]
desired_array = np.array(desired_array, dtype=np.int64)
print('test_data[0]:')
print(test_data[0])
print('converted test data (desired_array):')
print(desired_array)
request.inputs['text'].CopyFrom(
tf.contrib.util.make_tensor_proto(desired_array,
shape=[1, test_data[0].size]))
# print('request: inputs(text):')
# print(request.inputs['text'])
request.inputs['dropout'].CopyFrom(
tf.contrib.util.make_tensor_proto(1.0, shape=[1, 1]))
result_counter.throttle()
result_future = stub.Predict.future(request, 5.0) # 5 seconds
result_future.add_done_callback(
_create_rpc_callback(label[0], result_counter))
return result_counter.get_error_rate()
import time import data_helpers beginTime = time.time() # Parameter definitions batch_size = 100 learning_rate = 0.005 max_steps = 1000 # Uncommenting this line removes randomness # You'll get exactly the same result on each run # np.random.seed(1) # Prepare data data_sets = data_helpers.load_data() # ----------------------------------------------------------------------------- # Prepare the TensorFlow graph # (We're only defining the graph here, no actual calculations taking place) # ----------------------------------------------------------------------------- # Define input placeholders images_placeholder = tf.placeholder(tf.float32, shape=[None, 3072]) labels_placeholder = tf.placeholder(tf.int64, shape=[None]) # Define variables (these are the values we want to optimize) weights = tf.Variable(tf.zeros([3072, 10])) biases = tf.Variable(tf.zeros([10])) # Define the classifier's result
# Misc Parameters
tf.flags.DEFINE_boolean("allow_soft_placement", True, "Allow device soft device placement")
tf.flags.DEFINE_boolean("log_device_placement", False, "Log placement of ops on devices")
FLAGS = tf.flags.FLAGS
FLAGS._parse_flags()
print("\nParameters:")
for attr, value in sorted(FLAGS.__flags.items()):
print("{}={}".format(attr.upper(), value))
print("")
# Load data. Load your own data here
print("Loading data...")
x_test, y_test, vocabulary, vocabulary_inv = data_helpers.load_data()
y_test = np.argmax(y_test, axis=1)
print("Vocabulary size: {:d}".format(len(vocabulary)))
print("Test set size {:d}".format(len(y_test)))
print("\nEvaluating...\n")
# Evaluation
# ==================================================
checkpoint_file = tf.train.latest_checkpoint(FLAGS.checkpoint_dir)
graph = tf.Graph()
with graph.as_default():
session_conf = tf.ConfigProto(
allow_soft_placement=FLAGS.allow_soft_placement,
log_device_placement=FLAGS.log_device_placement)
sess = tf.Session(config=session_conf)
OUT_DIR = os.path.abspath(os.path.join(os.path.curdir, 'output'))
RUN_ID = time.strftime('run%Y%m%d-%H%M%S')
RUN_DIR = os.path.abspath(os.path.join(OUT_DIR, RUN_ID))
LOG_FILE_PATH = os.path.abspath(os.path.join(RUN_DIR, 'log.log'))
if FLAGS.load is not None:
CHECKPOINT_FILE_PATH = os.path.abspath(
os.path.join(FLAGS.load, 'ckpt.ckpt'))
else:
CHECKPOINT_FILE_PATH = os.path.abspath(os.path.join(RUN_DIR, 'ckpt.ckpt'))
os.mkdir(RUN_DIR)
SUMMARY_DIR = os.path.join(RUN_DIR, 'summaries')
LOG_FILE = open(LOG_FILE_PATH, 'a', buffering=1)
log('======================= START! ========================')
# Load data
x, y, vocabulary, vocabulary_inv = load_data(FLAGS.dataset_fraction)
# Randomly shuffle data
np.random.seed(123)
shuffle_indices = np.random.permutation(np.arange(len(y)))
# x_shuffled = x[shuffle_indices.tolist()]
x_shuffled = [x[idx] for idx in shuffle_indices.tolist()]
y_shuffled = y[shuffle_indices]
# Split train/test set
text_percent = FLAGS.test_data_ratio
test_index = int(len(x) * text_percent)
x_train, x_test = np.array(x_shuffled[:-test_index]), np.array(
x_shuffled[-test_index:])
y_train, y_test = y_shuffled[:-test_index], y_shuffled[-test_index:]
from keras.layers import Input, Dense, Embedding, Conv2D, MaxPool2D
from keras.layers import Reshape, Flatten, Dropout, Concatenate
from keras.callbacks import ModelCheckpoint
from keras.optimizers import Adam
from keras.models import Model
from sklearn.model_selection import train_test_split
from data_helpers import load_data
print('Loading data')
x, y, vocabulary, vocabulary_inv = load_data()
# x.shape -> (10662, 56)
# y.shape -> (10662, 2)
# len(vocabulary) -> 18765
# len(vocabulary_inv) -> 18765
X_train, X_test, y_train, y_test = train_test_split( x, y, test_size=0.2, random_state=42)
# X_train.shape -> (8529, 56)
# y_train.shape -> (8529, 2)
# X_test.shape -> (2133, 56)
# y_test.shape -> (2133, 2)
sequence_length = x.shape[1] # 56
vocabulary_size = len(vocabulary_inv) # 18765
embedding_dim = 256
filter_sizes = [3,4,5]
num_filters = 512
drop = 0.5
#!/usr/bin/python
# -*- coding:utf-8 -*-
import os
import time
import datetime
import numpy as np
import data_helpers
import tensorflow as tf
from vgg_model import vgg16
batch_size, num_epochs = 12, 50
num_classes = 2
pos_path, neg_path = "data/positive/", "data/negative/"
x_train, y_train, x_dev, y_dev = data_helpers.load_data(pos_path, neg_path)
print("load data is ok...")
with tf.Graph().as_default():
gpu_options = tf.GPUOptions(allow_growth=True)
session_conf = tf.ConfigProto(
allow_soft_placement=True,
log_device_placement=False,
gpu_options=gpu_options)
sess = tf.Session(config=session_conf)
with sess.as_default():
vggmodel = vgg16(
height=data_helpers.h,
width=data_helpers.w,
channel=data_helpers.c,
number_classes=num_classes
)
def train(self,
data_dir,
fquery,
freply,
batch_size=128,
steps_per_checkpoint=100):
queries = data_helpers.load_data(data_dir, fquery, self.qmax_length)
replies = data_helpers.load_data(data_dir, freply, self.rmax_length)
validation_queries = data_helpers.load_data("data/validation_ADEM",
"queries.txt",
self.qmax_length)
validation_replies = data_helpers.load_data("data/validation_ADEM",
"hred_replies.txt",
self.rmax_length)
scores = data_helpers.load_file("data/validation_ADEM",
"hred_scores.txt")
scores = [float(score) for score in scores]
#TODO - calculate MSE against these scores?
data_size = len(queries)
print_score = tf.print(self.score)
with self.session.as_default():
self.init_model()
checkpoint_path = os.path.join(self.train_dir, "unref.model")
loss = 0.0
validation_loss = 0.0
best_validation_loss = 1000
prev_losses = [1.0]
impatience = 0.0
while True:
step, l = self.train_step(queries, replies, data_size,
batch_size)
# KEVIN DOES THIS TRAIN THE MODEL ON THE VALIDATION SET :(
_, validation_l = self.get_validation_loss(
validation_queries, validation_replies,
len(validation_queries), batch_size)
loss += l
validation_loss += validation_l
print(validation_loss)
# save checkpoint
if step % steps_per_checkpoint == 0:
loss /= steps_per_checkpoint
validation_loss /= steps_per_checkpoint
print ("global_step %d, loss %f, learning rate %f" \
%(step, loss, self.learning_rate.eval()))
if validation_loss < best_validation_loss:
best_validation_loss = validation_loss
impatience = 0.0
self.saver.save(self.session,
checkpoint_path,
global_step=self.global_step)
else:
impatience += 1
print("Validation loss is %f. The best loss thus far has been %f. Impatience: %f" \
%(validation_loss, best_validation_loss, impatience))
if loss > max(prev_losses):
self.session.run(self.learning_rate_decay_op)
prev_losses = (prev_losses + [loss])[-5:]
loss = 0.0
self.log_writer.add_summary(self.summary, step)
# """ Debug
query_batch, query_sizes, idx = self.get_batch(
queries, data_size, 10)
reply_batch, reply_sizes, idx = self.get_batch(
replies, data_size, 10, idx)
input_feed = self.make_input_feed(query_batch,
query_sizes,
reply_batch,
reply_sizes,
training=False)
score, tests = self.session.run(
[self.pos_score, self.test], input_feed)
print('-------------')
for s, t in zip(score[:10], tests[:10]):
print(s, t)
def train(neg_file, pos_file, checkpoint, epoch):
"""
Examples:
python3 model.py --neg-file=/var/www/src/github.com/nlp/ChineseNlpCorpus/format_datasets/total_train_neg.txt --pos=/var/www/src/github.com/nlp/ChineseNlpCorpus/format_datasets/total_train_pos.txt
"""
click.echo(click.style('Loading data...', fg='green'))
x, y, vocabulary, vocabulary_inv = load_data(pos_file, neg_file)
click.echo(click.style('Loading data over.', fg='green'))
# x.shape -> (10662, 56)
# y.shape -> (10662, 2)
# len(vocabulary) -> 18765
# len(vocabulary_inv) -> 18765
X_train, X_test, y_train, y_test = train_test_split(x, y, test_size=0.2, random_state=42)
# X_train.shape -> (8529, 56)
# y_train.shape -> (8529, 2)
# X_test.shape -> (2133, 56)
# y_test.shape -> (2133, 2)
sequence_length = x.shape[1] # 56
vocabulary_size = len(vocabulary_inv) # 18765
embedding_dim = 256
filter_sizes = [3,4,5]
num_filters = 512
drop = 0.5
epochs = 100
batch_size = 500 # initial 30
if checkpoint:
click.echo(click.style('Loading model %s...' % checkpoint, fg='green'))
model = load_model(checkpoint)
else:
# this returns a tensor
click.echo(click.style('Creating new model...', fg='green'))
inputs = Input(shape=(sequence_length,), dtype='int32')
embedding = Embedding(input_dim=vocabulary_size, output_dim=embedding_dim, input_length=sequence_length)(inputs)
reshape = Reshape((sequence_length,embedding_dim,1))(embedding)
conv_0 = Conv2D(num_filters, kernel_size=(filter_sizes[0], embedding_dim), padding='valid', kernel_initializer='normal', activation='relu')(reshape)
conv_1 = Conv2D(num_filters, kernel_size=(filter_sizes[1], embedding_dim), padding='valid', kernel_initializer='normal', activation='relu')(reshape)
conv_2 = Conv2D(num_filters, kernel_size=(filter_sizes[2], embedding_dim), padding='valid', kernel_initializer='normal', activation='relu')(reshape)
maxpool_0 = MaxPool2D(pool_size=(sequence_length - filter_sizes[0] + 1, 1), strides=(1,1), padding='valid')(conv_0)
maxpool_1 = MaxPool2D(pool_size=(sequence_length - filter_sizes[1] + 1, 1), strides=(1,1), padding='valid')(conv_1)
maxpool_2 = MaxPool2D(pool_size=(sequence_length - filter_sizes[2] + 1, 1), strides=(1,1), padding='valid')(conv_2)
concatenated_tensor = Concatenate(axis=1)([maxpool_0, maxpool_1, maxpool_2])
flatten = Flatten()(concatenated_tensor)
dropout = Dropout(drop)(flatten)
output = Dense(units=2, activation='softmax')(dropout)
# this creates a model that includes
model = Model(inputs=inputs, outputs=output)
adam = Adam(lr=1e-4, beta_1=0.9, beta_2=0.999, epsilon=1e-08, decay=0.0)
model.compile(optimizer=adam, loss='binary_crossentropy', metrics=['accuracy'])
# tensorboard callback
cb_tensorboard = TensorBoard(log_dir='./logs', histogram_freq=0, write_graph=True, write_images=True)
cb_checkpoint = ModelCheckpoint('./checkpoints/model.epoch.{epoch:03d}.vacc{val_acc:.4f}.hdf5',
monitor='val_acc', verbose=1, save_weights_only=False, save_best_only=True, mode='auto')
click.echo(click.style('Traning model...', fg='green'))
model.fit(X_train, y_train, batch_size=batch_size, epochs=epochs, initial_epoch=epoch,
verbose=1, callbacks=[cb_checkpoint, cb_tensorboard], validation_data=(X_test, y_test)
)
group['lr'] = lr
# save Loss and Epochs in csv
def save_loss(Loss, path):
num_epochs = len(Loss)
Epochs = list(range(1, num_epochs + 1))
Loss_data = {'Epochs': Epochs, 'Loss': Loss}
import pandas as pd
df = pd.DataFrame(Loss_data, columns=['Epochs', 'Loss'])
df.to_csv(path)
for FOLD in range(1, 6):
X_trn, Y_trn, Y_trn_o, X_tst, Y_tst, Y_tst_o, vocabulary, vocabulary_inv = data_helpers.load_data(
fold=FOLD)
X_trn = X_trn.astype(np.int32)
X_tst = X_tst.astype(np.int32)
Y_trn = Y_trn.astype(np.int32)
Y_tst = Y_tst.astype(np.int32)
args.num_classes = Y_trn.shape[1]
embedding_weights = load_word2vec('glove',
vocabulary_inv,
num_features=300)
capsule_net = CapsNet_Text(args, embedding_weights)
current_lr = args.learning_rate
optimizer = Adam(capsule_net.parameters(), lr=current_lr)
# capsule_net = nn.DataParallel(capsule_net).cuda()
optimizers = ['adam', 'nadam']
epochs = [10, 20]
batch_sizes = [200, 500]
schedules = [lambda1, lambda2, step_decay]
save_dir = './multi'
if not os.path.exists(save_dir):
os.makedirs(save_dir)
# Train
for d in databases:
print(d)
(x_train,
y_train), (x_dev, y_dev), (x_test,
y_test), vocab_size, max_len = load_data(d)
for o in optimizers:
for e in epochs:
for bz in batch_sizes:
for s in schedules:
model = CapsNet(input_shape=x_train.shape[1:],
n_class=len(
np.unique(np.argmax(y_train, 1))),
num_routing=3,
vocab_size=vocab_size,
embed_dim=50,
max_len=max_len)
model.summary()
logging.root.setLevel(level=logging.INFO)
logger = logging.getLogger()
FLAGS = tf.flags.FLAGS
FLAGS._parse_flags()
logger.info("\nParameters:")
for attr, value in sorted(FLAGS.__flags.items()):
logger.info("{}={}".format(attr.upper(), value))
logger.info("")
# Data Preparation
# ==================================================
# Load data
logger.info("Loading data...")
train_size, train_data, train_label = data_helpers.load_data(
FLAGS.train_data_file, FLAGS.raw_data_file)
x_text = train_data
y = np.array(train_label)
# Build vocabulary
max_document_length = max([len(x.split()) for x in train_data])
word2vec_helpers = Word2VecHelper()
x = word2vec_helpers.SentencesIndex(x_text, max_document_length)
#vocab_processor = learn.preprocessing.VocabularyProcessor(max_document_length)
#x = np.array(list(vocab_processor.fit_transform(x_text)))
# Randomly shuffle data
np.random.seed(10)
shuffle_indices = np.random.permutation(np.arange(len(y)))
x_shuffled = x[shuffle_indices]
y_shuffled = y[shuffle_indices]
from keras.layers import Input, Dense, Embedding, Conv2D, MaxPool1D, Conv1D, Convolution2D
from keras.layers import Reshape, Flatten, Dropout, Concatenate
from keras.callbacks import ModelCheckpoint
from keras.optimizers import Adam
from keras.models import Model, Sequential
from sklearn.model_selection import train_test_split
from data_helpers import load_data
from livelossplot import PlotLossesKeras
from matplotlib import pyplot
print('Loading data')
x, y, max_sentace_length = load_data()
# x, y, vocabulary, vocabulary_inv = load_data()
X_train, X_test, y_train, y_test = train_test_split(x,
y,
test_size=0.2,
random_state=42)
# X_train.shape -> (44958, 220)
# y_train.shape -> (44958, 1)
# X_test.shape -> (9992, 220)
# y_test.shape -> (9992, 1)
# X_train.shape -> (8529, 56)
# y_train.shape -> (8529, 2)
# X_test.shape -> (2133, 56)
# y_test.shape -> (2133, 2)
sequence_length = (max_sentace_length, 100) # number of signs in sentace
#vocabulary_size = X_test.max()
embedding_dim = 256
print("--pos_file and --neg_file must be specified")
sys.exit(1)
print("\nParameters:")
for attr, value in sorted(FLAGS.__flags.items()):
print("{}={}".format(attr.upper(), value))
print("")
# Data Preparatopn
# ==================================================
# Load data
print("Loading data...")
x, y, word2id, id2word = data_helpers.load_data(FLAGS.vocab_file,
FLAGS.pos_file, FLAGS.neg_file, FLAGS.sequence_length,
FLAGS.train_size + FLAGS.dev_size)
# Randomly shuffle data
np.random.seed(10)
shuffle_indices = np.random.permutation(np.arange(len(y)))
x_shuffled = x[shuffle_indices]
y_shuffled = y[shuffle_indices]
# Split train/test set
x_train, x_dev = x_shuffled[:-FLAGS.dev_size], x_shuffled[-FLAGS.dev_size:]
y_train, y_dev = y_shuffled[:-FLAGS.dev_size], y_shuffled[-FLAGS.dev_size:]
print("Vocabulary Size: {:d}".format(len(word2id)))
print("Train/Dev split: {:d}/{:d}\n".format(len(y_train), len(y_dev)))
# Training
# ==================================================
except:
print_red("Failed to open file.")
quit()
def log(*string):
output = ' '.join(string)
print output
LOG_FILE.write(''.join(['\n', output]))
log("=======================================================")
log("======================= START! ========================")
log("=======================================================")
log("Preprocessing...")
### Load data ###
x, y, vocabulary, vocabulary_inv = data_helpers.load_data(FLAGS.reduced_dataset)
maxLengthInX = max(len(i) for i in x)
# Randomly shuffle data
np.random.seed(123)
shuffle_indices = np.random.permutation(np.arange(len(y)))
x_shuffled = x[shuffle_indices]
y_shuffled = y[shuffle_indices]
# Split train/test set
text_percent = FLAGS.test_data_ratio / 100.0
test_index = int(len(x)*text_percent)
x_train, x_test = x_shuffled[:-test_index], x_shuffled[-test_index:]
y_train, y_test = y_shuffled[:-test_index], y_shuffled[-test_index:]
### Derived parameters ###
sequence_length = x_train.shape[1]
'''
CNN中LSTM和卷积滤波器的隐含单元数为100，
卷积滤波器长度为3，丢包率为0.5，最小批量为16个。
这些超参数通过SST-2上的网格搜索来选择开发集。
'''
use_cuda = torch.cuda.is_available()
EMBEDDING_DIM = 300
HIDDEN_DIM = 100
EPOCH = 10
BATCH_SIZE = 16
LR = 1e-3
# 得到词索引
X, Y, word_to_ix, ix_to_word = data_helpers.load_data()
vocab_size = len(word_to_ix)
max_sent_len = X.shape[1]
num_classes = Y.shape[1]
print('vocab size = {}'.format(vocab_size))
print('max sentence len = {}'.format(max_sent_len))
print('num of classes = {}'.format(num_classes))
class MyModel(nn.Module):
"""
1,将句子矩阵，先做卷积，通过avarage pool生成一个特征列向量,长度为句子长度
2,将句子矩阵做LSTM，得到每一个时刻输出的矩阵
3,将1的结果的每个元素点乘到2结果的向量
}
x_raw = [
"The number of reported cases of gonorrhea in Colorado increased",
"I am in the market for a 24-bit graphics card for a PC"
]
y_test = None
elif dataset_name == "financenews":
datasets = {
"target_names": [
'strong_neg_examples', 'weak_neg_examples', 'neutral_examples',
'weak_pos_examples', 'strong_pos_examples'
]
}
datasets = data_helpers.get_datasets_financenews_test(
cfg["datasets"][dataset_name]["test_path"])
x_raw = data_helpers.load_data(datasets)
y_test = None
# datasets = {"target_names": ['strong_neg_examples', 'weak_neg_examples', 'neutral_examples', 'weak_pos_examples', 'strong_pos_examples']}
# x_raw = ["这是什么垃圾股票", "我赚翻了"]
# y_test = None
# Map data into vocabulary
vocab_path = os.path.join(FLAGS.checkpoint_dir, "..", "vocab")
vocab_processor = learn.preprocessing.VocabularyProcessor.restore(vocab_path)
x_test = np.array(list(vocab_processor.transform(x_raw)))
print("\nPredicting...\n")
# Evaluation
# ==================================================
checkpoint_file = tf.train.latest_checkpoint(FLAGS.checkpoint_dir)
def train_rnn():
# Data Preparation
# ==================================================
if FLAGS.init_embedding_path is not None:
embedding = np.load(FLAGS.init_embedding_path)
print("Using pre-trained word embedding which shape is {}\n".format(embedding.shape))
FLAGS.vocab_size = embedding.shape[0]
FLAGS.embedding_size = embedding.shape[1]
if FLAGS.init_model_path is not None:
assert os.path.isdir(FLAGS.init_model_path), "init_model_path must be a directory\n"
ckpt = tf.train.get_checkpoint_state(FLAGS.init_model_path)
assert ckpt, "No checkpoint found in {}\n".format(FLAGS.init_model_path)
assert ckpt.model_checkpoint_path, "No model_checkpoint_path found in checkpoint\n"
# Create root directory
timestamp = str(int(time.time()))
root_dir = os.path.join(os.path.curdir, 'runs', 'textrnn', 'trained_result_' + timestamp)
os.makedirs(root_dir)
# Load data
print("Loading data...\n")
x, y = data_helpers.load_data(FLAGS.data_file, FLAGS.sequence_length, FLAGS.vocab_size, root_dir=root_dir)
FLAGS.num_classes = len(y[0])
# Split dataset
x_train, x_test, y_train, y_test = train_test_split(x, y, test_size=FLAGS.test_size, stratify=y, random_state=0)
x_val, x_test, y_val, y_test = train_test_split(x_test, y_test, test_size=0.5, random_state=0)
# Training
# ==================================================
with tf.Graph().as_default():
tf_config = tf.ConfigProto(
allow_soft_placement=FLAGS.allow_soft_placement,
log_device_placement=FLAGS.log_device_placement)
tf_config.gpu_options.allow_growth = FLAGS.gpu_allow_growth
with tf.Session(config=tf_config).as_default() as sess:
rnn = TextRNN(
vocab_size=FLAGS.vocab_size,
embedding_size=FLAGS.embedding_size,
sequence_length=FLAGS.sequence_length,
rnn_size=FLAGS.rnn_size,
num_layers=FLAGS.num_layers,
attention_size=FLAGS.attention_size,
num_classes=FLAGS.num_classes,
learning_rate=FLAGS.learning_rate,
grad_clip=FLAGS.grad_clip)
# Output directory for models and summaries
out_dir = os.path.abspath(root_dir)
print("Writing to {}...\n".format(out_dir))
# Summaries for loss and accuracy
tf.summary.scalar("loss", rnn.loss)
tf.summary.scalar("accuracy", rnn.accuracy)
merged_summary = tf.summary.merge_all()
# Summaries dictionary
train_summary_dir = os.path.join(out_dir, 'summaries', 'train')
val_summary_dir = os.path.join(out_dir, 'summaries', 'val')
train_summary_writer = tf.summary.FileWriter(train_summary_dir, sess.graph)
val_summary_writer = tf.summary.FileWriter(val_summary_dir, sess.graph)
# Checkpoint directory, will not create itself
checkpoint_dir = os.path.abspath(os.path.join(out_dir, 'checkpoints'))
checkpoint_prefix = os.path.join(checkpoint_dir, 'model.ckpt')
if not os.path.exists(checkpoint_dir):
os.makedirs(checkpoint_dir)
saver = tf.train.Saver(tf.global_variables(), max_to_keep=1)
# Initialize all variables
sess.run(tf.global_variables_initializer())
# Using pre-trained word embedding
if FLAGS.init_embedding_path is not None:
sess.run(rnn.embedding.assign(embedding))
del embedding
# Continue training from saved model
if FLAGS.init_model_path is not None:
saver.restore(sess, ckpt.model_checkpoint_path)
# Training start
print("Start training...\n")
best_at_step = 0
best_val_accuracy = 0
for epoch in range(FLAGS.num_epochs):
# Generate train batches
train_batches = data_helpers.batch_iter(list(zip(x_train, y_train)), FLAGS.batch_size)
start = time.time()
for batch in train_batches:
# Training model on x_batch and y_batch
x_batch, y_batch = zip(*batch)
seq_len_train = data_helpers.real_len(x_batch)
feed_dict = {rnn.input_x: x_batch, rnn.input_y: y_batch, rnn.seq_len: seq_len_train, rnn.keep_prob: FLAGS.dropout_keep_prob}
_, global_step, train_summaries, train_loss, train_accuracy = sess.run([rnn.train_op, rnn.global_step,
merged_summary, rnn.loss, rnn.accuracy], feed_dict=feed_dict)
# Evaluates model on val set
if global_step % FLAGS.evaluate_every == 0:
end = time.time()
train_summary_writer.add_summary(train_summaries, global_step)
seq_len_val = data_helpers.real_len(x_val)
feed_dict = {rnn.input_x: x_val, rnn.input_y: y_val, rnn.seq_len: seq_len_val, rnn.keep_prob: 1.0}
val_summaries, val_loss, val_accuracy = sess.run([merged_summary, rnn.loss, rnn.accuracy], feed_dict=feed_dict)
val_summary_writer.add_summary(val_summaries, global_step)
print("Epoch: {}, global step: {}, training speed: {:.3f}sec/batch".format(epoch,
global_step, (end - start) / FLAGS.evaluate_every))
print("train loss: {:.3f}, train accuracy: {:.3f}, val loss: {:.3f}, val accuracy: {:.3f}\n".format(train_loss,
train_accuracy, val_loss, val_accuracy))
# If improved, save the model
if val_accuracy > best_val_accuracy:
print("Get a best val accuracy at step {}, model saving...\n".format(global_step))
saver.save(sess, checkpoint_prefix, global_step=global_step)
best_val_accuracy = val_accuracy
best_at_step = global_step
start = time.time()
# Rename the checkpoint
best_model_prefix = checkpoint_prefix + '-' + str(best_at_step)
os.rename(best_model_prefix + '.index', os.path.join(checkpoint_dir, 'best_model.index'))
os.rename(best_model_prefix + '.meta', os.path.join(checkpoint_dir, 'best_model.meta'))
os.rename(best_model_prefix + '.data-00000-of-00001', os.path.join(checkpoint_dir, 'best_model.data-00000-of-00001'))
# Testing on test set
print("\nTraining complete, testing the best model on test set...\n")
saver.restore(sess, os.path.join(checkpoint_dir, 'best_model'))
seq_len_test = data_helpers.real_len(x_test)
feed_dict = {rnn.input_x: x_test, rnn.input_y: y_test, rnn.seq_len: seq_len_test, rnn.keep_prob: 1.0}
y_logits, test_accuracy = sess.run([rnn.logits, rnn.accuracy], feed_dict=feed_dict)
print("Testing Accuracy: {:.3f}\n".format(test_accuracy))
label_transformer = joblib.load(os.path.join(out_dir, 'label_transformer.pkl'))
y_test_original = label_transformer.inverse_transform(y_test)
y_logits_original = label_transformer.inverse_transform(y_logits)
print("Precision, Recall and F1-Score:\n\n", classification_report(y_test_original, y_logits_original))
# Save parameters
print("Parameters saving...\n")
params = {}
for param, value in FLAGS.__flags.items():
params[param] = value
with open(os.path.join(out_dir, 'parameters.json'), 'w') as outfile:
json.dump(params, outfile, indent=4, sort_keys=True, ensure_ascii=False)
# Save word embedding
print("Word embedding saving...\n")
np.save(os.path.join(out_dir, 'embedding.npy'), sess.run(rnn.embedding))
FLAGS = tf.flags.FLAGS
FLAGS._parse_flags()
print("\nParameters:")
for attr, value in sorted(FLAGS.__flags.items()):
print("{}={}".format(attr.upper(), value))
print("")
if (not FLAGS.pos_file or not FLAGS.neg_file or not FLAGS.vocab_file
or not FLAGS.checkpoint_dir):
print("--pos_file, --neg_file, --vocab_file and "
"--checkpoint_dir must be specified")
sys.exit(1)
# Load data. Load your own data here
print("Loading data...")
x_test, y_test, word2id, id2word = data_helpers.load_data(FLAGS.vocab_file,
FLAGS.pos_file, FLAGS.neg_file, FLAGS.sequence_length, 1000)
y_test = np.argmax(y_test, axis=1)
print("Vocabulary size: {:d}".format(len(word2id)))
print("Test set size {:d}".format(len(y_test)))
print("\nEvaluating...\n")
# Evaluation
# ==================================================
checkpoint_file = tf.train.latest_checkpoint(FLAGS.checkpoint_dir)
graph = tf.Graph()
with graph.as_default():
session_conf = tf.ConfigProto(
allow_soft_placement=FLAGS.allow_soft_placement,
log_device_placement=FLAGS.log_device_placement)
sess = tf.Session(config=session_conf)
def main(_):
# cluster specification
# parameter_servers = ["sgs-gpu-02:2222", "sgs-gpu-02:2223", "sgs-gpu-03:2222", "sgs-gpu-03:2223"]
# workers = ["sgs-gpu-02:2224", "sgs-gpu-02:2225", "sgs-gpu-03:2224", "sgs-gpu-03:2225"]
parameter_servers = [
"spaceml1:2222", "spaceml1:2223", "spaceml1:2224", "spaceml1:2225"
]
workers = [
"spaceml1:2226", "spaceml1:2227", "spaceml1:2228", "spaceml1:2229"
]
num_ps = len(parameter_servers)
num_worker = num_ps
cluster = tf.train.ClusterSpec({
"ps": parameter_servers,
"worker": workers
})
#local server, either ps or worker
server = tf.train.Server(cluster,
job_name=FLAGS.job_name,
task_index=FLAGS.task_index)
data_sets = data_helpers.load_data()
W1 = [0, 0, 0, 0]
b1 = [0, 0, 0, 0]
W2 = [0, 0, 0, 0]
b2 = [0, 0, 0, 0]
if FLAGS.job_name == "ps":
server.join()
elif FLAGS.job_name == "worker":
with tf.device("/job:ps/task:0"):
W1[0] = tf.get_variable(
name='w10',
shape=[3072, 240],
initializer=tf.truncated_normal_initializer(
stddev=1.0 / np.sqrt(float(3072))),
regularizer=tf.contrib.layers.l2_regularizer(0.1))
# W1[0] = tf.Variable(tf.random_normal([3072,240]))
b1[0] = tf.Variable(tf.zeros([240]))
W2[0] = tf.get_variable(
name='w20',
shape=[240, 10],
initializer=tf.truncated_normal_initializer(
stddev=1.0 / np.sqrt(float(120))),
regularizer=tf.contrib.layers.l2_regularizer(0.1))
#W2[0] = tf.Variable(tf.random_normal([240,10]))
b2[0] = tf.Variable(tf.zeros([10]))
with tf.device("/job:ps/task:1"):
W1[1] = tf.get_variable(
name='w11',
shape=[3072, 240],
initializer=tf.truncated_normal_initializer(
stddev=1.0 / np.sqrt(float(3072))),
regularizer=tf.contrib.layers.l2_regularizer(0.1))
#W1[1] = tf.Variable(tf.random_normal([3072,240]))
b1[1] = tf.Variable(tf.zeros([240]))
W2[1] = tf.get_variable(
name='w21',
shape=[240, 10],
initializer=tf.truncated_normal_initializer(
stddev=1.0 / np.sqrt(float(120))),
regularizer=tf.contrib.layers.l2_regularizer(0.1))
# W2[1] = tf.Variable(tf.random_normal([240,10]))
b2[1] = tf.Variable(tf.zeros([10]))
with tf.device("/job:ps/task:2"):
W1[2] = tf.get_variable(
name='w12',
shape=[3072, 240],
initializer=tf.truncated_normal_initializer(
stddev=1.0 / np.sqrt(float(3072))),
regularizer=tf.contrib.layers.l2_regularizer(0.1))
#W1[2] = tf.Variable(tf.random_normal([3072,240]))
b1[2] = tf.Variable(tf.zeros([240]))
W2[2] = tf.get_variable(
name='w22',
shape=[240, 10],
initializer=tf.truncated_normal_initializer(
stddev=1.0 / np.sqrt(float(120))),
regularizer=tf.contrib.layers.l2_regularizer(0.1))
#W2[2] = tf.Variable(tf.random_normal([240,10]))
b2[2] = tf.Variable(tf.zeros([10]))
with tf.device("/job:ps/task:3"):
W1[3] = tf.get_variable(
name='w13',
shape=[3072, 240],
initializer=tf.truncated_normal_initializer(
stddev=1.0 / np.sqrt(float(3072))),
regularizer=tf.contrib.layers.l2_regularizer(0.1))
# W1[3] = tf.Variable(tf.random_normal([3072,240]))
b1[3] = tf.Variable(tf.zeros([240]))
W2[3] = tf.get_variable(
name='w23',
shape=[240, 10],
initializer=tf.truncated_normal_initializer(
stddev=1.0 / np.sqrt(float(120))),
regularizer=tf.contrib.layers.l2_regularizer(0.1))
#W2[3] = tf.Variable(tf.random_normal([240,10]))
b2[3] = tf.Variable(tf.zeros([10]))
with tf.device(
tf.train.replica_device_setter(
worker_device="/job:worker/task:%d" % FLAGS.task_index,
cluster=cluster)):
# Create the model
x = tf.placeholder(tf.float32, shape=[None, 3072])
y_ = tf.placeholder(tf.int64, shape=[None])
h1 = tf.nn.relu(
tf.matmul(x, W1[FLAGS.task_index]) + b1[FLAGS.task_index])
y = tf.matmul(h1, W2[FLAGS.task_index]) + b2[FLAGS.task_index]
cross_entropy = tf.reduce_mean(
tf.nn.sparse_softmax_cross_entropy_with_logits(labels=y_,
logits=y))
opt = tf.train.GradientDescentOptimizer(FLAGS.lr)
grads_and_vars = opt.compute_gradients(cross_entropy, [
W1[FLAGS.task_index], b1[FLAGS.task_index],
W2[FLAGS.task_index], b2[FLAGS.task_index]
])
# w = W2[FLAGS.task_index]
# b = b2[FLAGS.task_index]
new_gv0 = (grads_and_vars[0][0] -
(W1[(FLAGS.task_index - 1) % num_ps] + W1[
(FLAGS.task_index + 1) % num_ps] -
2 * W1[FLAGS.task_index]) / (3 * FLAGS.lr * 1.0),
grads_and_vars[0][1])
new_gv1 = (grads_and_vars[1][0] -
(b1[(FLAGS.task_index - 1) % num_ps] + b1[
(FLAGS.task_index + 1) % num_ps] -
2 * b1[FLAGS.task_index]) / (3 * FLAGS.lr * 1.0),
grads_and_vars[1][1])
new_gv2 = (grads_and_vars[2][0] -
(W2[(FLAGS.task_index - 1) % num_ps] + W2[
(FLAGS.task_index + 1) % num_ps] -
2 * W2[FLAGS.task_index]) / (3 * FLAGS.lr * 1.0),
grads_and_vars[2][1])
new_gv3 = (grads_and_vars[3][0] -
(b2[(FLAGS.task_index - 1) % num_ps] + b2[
(FLAGS.task_index + 1) % num_ps] -
2 * b2[FLAGS.task_index]) / (3 * FLAGS.lr * 1.0),
grads_and_vars[3][1])
#print b1[FLAGS.task_index]
g = grads_and_vars[1][0]
new_gv = list()
new_gv.append(new_gv0)
new_gv.append(new_gv1)
new_gv.append(new_gv2)
new_gv.append(new_gv3)
train_step = opt.apply_gradients(new_gv)
correct_prediction = tf.equal(tf.argmax(y, 1), y_)
accuracy = tf.reduce_mean(tf.cast(correct_prediction, tf.float32))
saver = tf.train.Saver()
init_op = tf.global_variables_initializer()
sv = tf.train.Supervisor(is_chief=(FLAGS.task_index == 0),
logdir="/mnt/ds3lab/litian/logs",
init_op=init_op,
saver=saver)
zipped_data = zip(data_sets['images_train'],
data_sets['labels_train'])
batches = data_helpers.gen_batch(list(zipped_data), 128, 50000)
with sv.managed_session(server.target) as sess:
begin = time.time()
for i in range(50000):
batch = next(batches)
image_batch, label_batch = zip(*batch)
sess.run(train_step,
feed_dict={
x: image_batch,
y_: label_batch
})
if i % 50 == 0:
train_accuracy = sess.run(accuracy,
feed_dict={
x: image_batch,
y_: label_batch
})
train_loss = sess.run(cross_entropy,
feed_dict={
x: image_batch,
y_: label_batch
})
localtime = time.asctime(time.localtime(time.time()))
print(localtime)
tmp = time.time()
print((tmp - begin) / 60.0)
print(
"step %d, training accuracy %g, training loss %g" %
(i, train_accuracy, train_loss))
sv.stop()
print("")
# Data Preparatopn
# ==================================================
# Load data
print("Loading data...")
# Costum load data:
id_file = open('./data/id.csv').read() ## Loads IDs
ids = id_file.splitlines()
print('yay')
x, y, vocabulary, vocabulary_inv, real_codes, dictionary_of_codes = data_helpers.load_data()
# Randomly shuffle data
np.random.seed(10)
shuffle_indices = np.random.permutation(np.arange(len(y)))
x_shuffled = x[shuffle_indices]
y_shuffled = y[shuffle_indices]
# Split train/test set
# TODO: This is very crude, should use cross-validation
x_train, x_dev, x_full = x_shuffled[:-10000], x_shuffled[-10000:], x ##NOTE: Added full set
y_train, y_dev, y_full = y_shuffled[:-10000], y_shuffled[-10000:], y
print("Vocabulary Size: {:d}".format(len(vocabulary)))
print("Train/Dev split: {:d}/{:d}".format(len(y_train), len(y_dev)))
print("Full set size: {:d}".format(len(y_full)))
tf.flags.DEFINE_string("test_data_path", "./data/train.txt", "Data path to evaluation")
tf.flags.DEFINE_string("checkpoint_dir", "/media/jb/DATA/OMGEmotionChallenge/text_cnn/runs/1525115737/checkpoints", "Checkpoint directory from training run")
tf.flags.DEFINE_string("calculateEvaluationCCC", "./data/calculateEvaluationCCC.py", "path to ccc script")
tf.flags.DEFINE_string("validationCSV", "./data/omg_TrainVideos.csv", "path to ccc script")
tf.flags.DEFINE_boolean("compute_ccc", True, "compute_ccc ?")
# Misc Parameters
tf.flags.DEFINE_boolean("allow_soft_placement", True, "Allow device soft device placement")
tf.flags.DEFINE_boolean("log_device_placement", False, "Log placement of ops on devices")
FLAGS = tf.flags.FLAGS
FLAGS._parse_flags()
x_test, y_test, arousals, valences, video_ids, utterances, vocabulary, vocabulary_inv, onehot_label, max_sequence_length = data_helpers.load_data(FLAGS.test_data_path, FLAGS.checkpoint_dir)
# Evaluation
# ==================================================
checkpoint_file = tf.train.latest_checkpoint(FLAGS.checkpoint_dir)
graph = tf.Graph()
with graph.as_default():
session_conf = tf.ConfigProto(
allow_soft_placement=FLAGS.allow_soft_placement,
log_device_placement=FLAGS.log_device_placement)
sess = tf.Session(config=session_conf)
with sess.as_default():
# Load the saved meta graph and restore variables
print ("FLAGS.checkpoint_dir %s" % FLAGS.checkpoint_dir)
# Load data
print("Loading data...")
# train data: the note, first word is the class, the others are note
# output data: the engineer name list
# train again with other data
output = "support_engineers.csv"
# vector: glove & word2vec
train = "dataset1_clean_1"
vector = "w2v.txt"
# seq_size: how many data should people keep
seq_size = 350
# number of iteration through the data
num_of_round = 110
x, y, W, vocabulary = data_helpers.load_data(train,output,vector,seq_size)
# Training
# ==================================================
with tf.Graph().as_default():
# A Graph contains operations and tensors.
# Session is the environment you are executing graph operations in, and it contains state about Variables and queues.
gpu_options = tf.GPUOptions(per_process_gpu_memory_fraction=0.7)
sess = tf.Session(config=tf.ConfigProto(allow_soft_placement=True, gpu_options=gpu_options))
with sess.as_default():
cnn = TextCNN(
sequence_length=x.shape[1],
# the length of the sentence
num_classes=FLAGS.num_classes,
# how many classes as output
(params.num_features))
# dictionary, where key is word, value is word vectors
embedding_model = {}
for line in open(model_name, 'r'):
tmp = line.strip().split()
word, vec = tmp[0], map(float, tmp[1:])
assert (len(vec) == params.num_features)
if word not in embedding_model:
embedding_model[word] = vec
assert (len(embedding_model) == 400000)
else:
raise ValueError('Unknown pretrain model type: %s!' %
(params.model_type))
embedding_weights = [
embedding_model[w] if w in embedding_model else np.random.uniform(
-0.25, 0.25, params.num_features) for w in params.vocabulary_inv
]
embedding_weights = np.array(embedding_weights).astype('float32')
return embedding_weights
if __name__ == '__main__':
import data_helpers
print("Loading data...")
x, _, _, params.vocabulary_inv = data_helpers.load_data()
w = train_word2vec(x, params.vocabulary_inv)
print('Loading existing Word2Vec model (Glove.6B.%dd)' %
(num_features))
# dictionary, where key is word, value is word vectors
embedding_model = {}
for line in open(model_name, 'r'):
tmp = line.strip().split()
word, vec = tmp[0], map(float, tmp[1:])
assert (len(vec) == num_features)
if word not in embedding_model:
embedding_model[word] = vec
assert (len(embedding_model) == 400000)
else:
raise ValueError('Unknown pretrain model type: %s!' % (model_type))
embedding_weights = [
embedding_model[w] if w in embedding_model else np.random.uniform(
-0.25, 0.25, num_features) for w in vocabulary_inv
]
embedding_weights = np.array(embedding_weights).astype('float32')
return embedding_weights
if __name__ == '__main__':
import data_helpers
print("Loading data...")
x, _, _, vocabulary_inv = data_helpers.load_data()
w = train_word2vec(x, vocabulary_inv)
from data_helpers import _load_data as load_data
from data_helpers import _load_vocab as load_vocab
from data_helpers import batch_iter
import numpy as np
import datetime
import os
import json
import time
import config
if __name__ == '__main__':
# Load the training data.
qid, que_word, que_char, pos_rel_name, pos_rel_word, pos_rel_char, \
neg_rel_name, neg_rel_word, neg_rel_char = load_data(config.TRAIN_PATH)
qid_dev, que_word_dev, que_char_dev, pos_rel_name_dev, pos_rel_word_dev, pos_rel_char_dev, \
neg_rel_name_dev, neg_rel_word_dev, neg_rel_char_dev = load_data(config.TEST_PATH)
# Create the word2id dictionaries of questions and relations.
que_vocab, rel_vocab = load_vocab(config.DICT_DIR)
print('Size of question vocab : {}'.format(len(que_vocab)))
print('Size of relation vocab : {}'.format(len(rel_vocab)))
# Change to pytorch Variable.
que_word = prepare_sequence(que_word, config.MAX_QUESTION_LENGTH, que_vocab)
que_char = prepare_sequence(que_char, config.MAX_QUESTION_CHAR_LEVEL_LENGTH, que_vocab)
pos_rel_name = prepare_sequence(pos_rel_name, config.MAX_RELATION_LEVEL_LENGTH, rel_vocab)
neg_rel_name = prepare_sequence(neg_rel_name, config.MAX_RELATION_LEVEL_LENGTH, rel_vocab)
pos_rel_word = prepare_sequence(pos_rel_word, config.MAX_WORD_LEVEL_LENGTH, rel_vocab)
neg_rel_word = prepare_sequence(neg_rel_word, config.MAX_WORD_LEVEL_LENGTH, rel_vocab)
"Allow device soft device placement")
tf.flags.DEFINE_boolean("log_device_placement", False,
"Log placement of ops on devices")
FLAGS = tf.flags.FLAGS
print("\nParameters:")
for attr, value in sorted(FLAGS.__flags.iteritems()):
print("{:25s}={}".format(attr.upper(), value.value))
print("")
# Data Preparatopn
# ==================================================
# Load data
print("Loading data...")
x, y, vocabulary, vocabulary_inv = data_helpers.load_data(
'../data/dftt/shuf.txt')
## Randomly shuffle data
#np.random.seed(10)
#shuffle_indices = np.random.permutation(np.arange(len(y)))
#x_shuffled = x[shuffle_indices]
#y_shuffled = y[shuffle_indices]
# Split train/test set
# TODO: This is very crude, should use cross-validation
x_shuffled, y_shuffled = x, y
num_test = int(np.round(x.shape[0] * 0.1))
x_train, x_dev = x_shuffled[:-num_test], x_shuffled[-num_test:]
y_train, y_dev = y_shuffled[:-num_test], y_shuffled[-num_test:]
# Misc Parameters
tf.flags.DEFINE_boolean("allow_soft_placement", True, "Allow device soft device placement")
tf.flags.DEFINE_boolean("log_device_placement", False, "Log placement of ops on devices")
FLAGS = tf.flags.FLAGS
FLAGS._parse_flags()
print("\nParameters:")
for attr, value in sorted(FLAGS.__flags.items()):
print("{}={}".format(attr.upper(), value))
print("")
# Load data. Load your own data here
print("Loading data...")
x_test, y_test, vocabulary, vocabulary_inv = data_helpers.load_data(datfile = FLAGS.eval_filename)
y_test = np.argmax(y_test, axis=1)
print("Vocabulary size: {:d}".format(len(vocabulary)))
print("Test set size {:d}".format(len(y_test)))
print("\nEvaluating...\n")
# Evaluation
# ==================================================
checkpoint_file = tf.train.latest_checkpoint(FLAGS.checkpoint_dir)
graph = tf.Graph()
with graph.as_default():
session_conf = tf.ConfigProto(
allow_soft_placement=FLAGS.allow_soft_placement,
log_device_placement=FLAGS.log_device_placement)
sess = tf.Session(config=session_conf)
@author: Petrus
"""
from keras.layers import Input, Dense, Embedding, merge, Convolution2D, MaxPooling2D, Dropout
from sklearn.cross_validation import train_test_split
from keras.layers.core import Reshape, Flatten
from keras.callbacks import ModelCheckpoint, TensorBoard
from data_helpers import load_data
from keras.optimizers import Adam
from keras.models import Sequential
from keras.layers import Conv1D, LSTM, Bidirectional
from sklearn.manifold import TSNE
print('Loading data')
x, y, vocabulary, vocabulary_inv = load_data()
X_train, X_test, y_train, y_test = train_test_split(x,
y,
test_size=0.2,
random_state=42)
sequence_length = x.shape[1]
vocabulary_size = len(vocabulary_inv)
embedding_dim = 256
filter_sizes = [3, 4, 5]
num_filters = 512
drop = 0.5
nb_epoch = 100
batch_size = 30
# Misc Parameters
tf.flags.DEFINE_boolean("allow_soft_placement", True, "Allow device soft device placement")
tf.flags.DEFINE_boolean("log_device_placement", False, "Log placement of ops on devices")
FLAGS = tf.flags.FLAGS
FLAGS.batch_size
print("\nParameters:")
for attr, value in sorted(FLAGS.__flags.iteritems()):
print("{}={}".format(attr.upper(), value))
print("")
# Data Preparatopn
# ==================================================
# Load data
print("Loading data...")
x_, y_, vocabulary, vocabulary_inv, test_size = data_helpers.load_data(FLAGS.vn)
print("Loading pre-trained vectors...")
trained_vecs = data_helpers.load_trained_vecs(
FLAGS.vn, FLAGS.vn_embeddings, FLAGS.en_embeddings, vocabulary)
# Create embedding lookup table
count = data_helpers.add_unknown_words(trained_vecs, vocabulary)
embedding_mat = [trained_vecs[p] for i, p in enumerate(vocabulary_inv)]
embedding_mat = np.array(embedding_mat, dtype = np.float32)
# Randomly shuffle data
x, x_test = x_[:-test_size], x_[-test_size:]
y, y_test = y_[:-test_size], y_[-test_size:]
shuffle_indices = np.random.permutation(np.arange(len(y)))
x_shuffled = x[shuffle_indices]
from keras.callbacks import EarlyStopping, TensorBoard
from sklearn.utils import shuffle
from cnn_radical_two.attention_layer import Attention_layer
import numpy as np
import tensorflow as tf
from keras.backend.tensorflow_backend import set_session
config = tf.ConfigProto()
config.gpu_options.allocator_type = 'BFC'
config.gpu_options.per_process_gpu_memory_fraction = 0.3
config.gpu_options.allow_growth = True
set_session(tf.Session(config=config))
print('Loading data')
x, y, embeddings_matrix, x_eval, y_eval, x_eval_raw = load_data()
x_pinyin, y_pinyin, embeddings_matrix_3, x_eval_pinyin, y_eval_pinyin = load_pinyin_data(
)
x_radical, y, embeddings_matrix_2 = load_pianpang_data()
# x_pinyin = x_pinyin + x_radical
x, x_pinyin, x_radical, y = shuffle(x, x_pinyin, x_radical, y, random_state=0)
dev_sample_index = -1 * int(0.1 * float(len(y)))
X_train, X_test = x[:dev_sample_index], x[dev_sample_index:]
y_train, y_test = y[:dev_sample_index], y[dev_sample_index:]
x_train_radical, X_test_radical = x_radical[:dev_sample_index], x_radical[
dev_sample_index:]
x_train_pinyin, X_test_pinyin = x_pinyin[:dev_sample_index], x_pinyin[
self.wfile.write("once" + pipe_name + self.windex)
self.wfile.flush()
os.write(self.pipeout, serialized.encode('string_escape') + "\n")
else:
self.wfile.write("once" + serialized + "end")
self.wfile.flush()
print("[%s] Written and sent..." % self.windex, file=dump)
dump.flush()
except Exception,e:
print("[%s] Error sending. Attempt to remake connection..." % self.windex, file=dump)
print(e, file=dump)
self.iteration += 1
self.make_connection(req=True)
def wait_msg(self):
rcv = ""
while True:
rcv = self.sock.recv(10)
if rcv is not "" and rcv is not None:
break
if __name__ == "__main__":
# TODO: Gather test data not from end of files which are always positive instances.
worker_index = int(sys.argv[len(sys.argv) - 1])
tr_data = data_helpers.load_data(sys.argv[1:len(sys.argv)-1])
psize = len(tr_data)//num_workers
tr_data_split = tr_data[psize*worker_index:psize*worker_index+psize]
del tr_data
client = TensorSlurmWorker(batch_sz, websocket_port, worker_index)
client.train_partition(tr_data_split)
sequence_length = 56
embedding_dim = 20
filter_sizes = (3, 4)
num_filters = 3
dropout_prob = (0.25, 0.5)
hidden_dims = 100
batch_size = 32
num_epochs = 200
val_split = 0.1
min_word_count = 1
contwi = 15 # context window size
Act = "prediction"
weights = "model/weight_file"
x, y, vocab, vocab_inv = data_helpers.load_data()
if model_variation == 'CNN-non-static':
embedding_weights = train_word2vec(x, vocab_inv, embedding_dim,
min_word_count, contwi)
if model_variation == 'CNN-static':
embedding_weights = train_word2vec(x, vocab_inv, embedding_dim,
min_word_count, contwi)
x = embedding_weights[0][x]
elif model_variation == 'CNN-rand':
embedding_weights = None
else:
print('No choice selected')
print(model_variation)
data_in = Input(shape=(sequence_length, embedding_dim))
def main(_):
# mnist = input_data.read_data_sets(FLAGS.data_dir, one_hot=True)
# list_ = []
# for line in open("/mnt/ds3lab/litian/input_data/cifar10/label3.txt"):
# list_.append(['a', line.strip('\n')])
# classes = np.array(list_)
# print (len(classes))
# train_dataset, mean, std = create_train_datasets(classes[:, 1], num_samples=NUM_IMAGES)
# val_dataset = create_test_datasets(classes[:, 1], mean, std, num_samples=NUM_IMAGES)
# val_images, val_labels = val_dataset.next_batch(20)
# num_classes = len(classes)
# print (num_classes)
data_sets = data_helpers.load_data()
# with tf.device('/gpu:0'):
# Create the model
x = tf.placeholder(tf.float32, shape=[None, 3072])
y_ = tf.placeholder(tf.int64, shape=[None])
w1 = tf.get_variable(name='w1',
shape=[3072, 240],
initializer=tf.truncated_normal_initializer(
stddev=1.0 / np.sqrt(float(3072))),
regularizer=tf.contrib.layers.l2_regularizer(0.1))
b1 = tf.Variable(tf.zeros([240]))
h1 = tf.nn.relu(tf.matmul(x, w1) + b1)
w2 = tf.get_variable(name='w2',
shape=[240, 10],
initializer=tf.truncated_normal_initializer(
stddev=1.0 / np.sqrt(float(240))),
regularizer=tf.contrib.layers.l2_regularizer(0.1))
b2 = tf.Variable(tf.zeros([10]))
y = tf.matmul(h1, w2) + b2
cross_entropy = tf.reduce_mean(
tf.nn.sparse_softmax_cross_entropy_with_logits(labels=y_, logits=y))
train_step = tf.train.GradientDescentOptimizer(0.0005).minimize(
cross_entropy)
correct_prediction = tf.equal(tf.argmax(y, 1), y_)
accuracy = tf.reduce_mean(tf.cast(correct_prediction, tf.float32))
sess = tf.Session()
sess.run(tf.initialize_all_variables())
zipped_data = zip(data_sets['images_train'], data_sets['labels_train'])
batches = data_helpers.gen_batch(list(zipped_data), 128, 50000)
for i in range(50000):
# batch_xs, batch_ys = mnist.train.next_batch(100)
# image_batch, label_batch = train_dataset.next_batch(60, random_crop=True)
batch = next(batches)
image_batch, label_batch = zip(*batch)
sess.run(train_step, feed_dict={x: image_batch, y_: label_batch})
if i % 50 == 0:
train_accuracy = sess.run(accuracy,
feed_dict={
x: image_batch,
y_: label_batch
})
train_loss = sess.run(cross_entropy,
feed_dict={
x: image_batch,
y_: label_batch
})
localtime = time.asctime(time.localtime(time.time()))
print(localtime)
print("step %d, training accuracy %g, training loss %g" %
(i, train_accuracy, train_loss))
if i % 500 == 0:
val_accuracy = sess.run(accuracy,
feed_dict={
x: data_sets['images_test'],
y_: data_sets['labels_test']
})
print("validation set accuracy %g" % val_accuracy)
print('Training Word2Vec model...')
sentences = [[vocabulary_inv[w] for w in s] for s in sentence_matrix]
embedding_model = word2vec.Word2Vec(sentences, workers=num_workers,
size=num_features, min_count=min_word_count,
window=context, sample=downsampling)
# If we don't plan to train the model any further, calling
# init_sims will make the model much more memory-efficient.
embedding_model.init_sims(replace=True)
# Saving the model for later use. You can load it later using Word2Vec.load()
if not exists(model_dir):
os.mkdir(model_dir)
print('Saving Word2Vec model \'%s\'' % split(model_name)[-1])
embedding_model.save(model_name)
# add unknown words
embedding_weights = {key: embedding_model[word] if word in embedding_model else
np.random.uniform(-0.25, 0.25, embedding_model.vector_size)
for key, word in vocabulary_inv.items()}
return embedding_weights
if __name__ == '__main__':
import data_helpers
print("Loading data...")
x, _, _, vocabulary_inv_list = data_helpers.load_data()
vocabulary_inv = {key: value for key, value in enumerate(vocabulary_inv_list)}
w = train_word2vec(x, vocabulary_inv)
parser.add_argument('--ts_batch_size', type=int, default=32, help='Batch size for training')
parser.add_argument('--learning_rate', type=float, default=1e-3, help='Learning rate for training')
parser.add_argument('--start_from', type=str, default='save', help='')
parser.add_argument('--num_compressed_capsule', type=int, default=128, help='The number of compact capsules')
parser.add_argument('--dim_capsule', type=int, default=16, help='The number of dimensions for capsules')
parser.add_argument('--re_ranking', type=int, default=200, help='The number of re-ranking size')
import json
args = parser.parse_args()
params = vars(args)
print(json.dumps(params, indent = 2))
X_trn, Y_trn, Y_trn_o, X_tst, Y_tst, Y_tst_o, vocabulary, vocabulary_inv = data_helpers.load_data(args.dataset,
max_length=args.sequence_length,
vocab_size=args.vocab_size)
Y_trn = Y_trn.toarray()
Y_tst = Y_tst.toarray()
X_trn = X_trn.astype(np.int32)
X_tst = X_tst.astype(np.int32)
Y_trn = Y_trn.astype(np.int32)
Y_tst = Y_tst.astype(np.int32)
embedding_weights = load_word2vec('glove', vocabulary_inv, args.vec_size)
args.num_classes = Y_trn.shape[1]
capsule_net = CapsNet_Text(args, embedding_weights)
capsule_net = nn.DataParallel(capsule_net).cuda()
num_epochs = 7
val_split = 0.1
# Word2Vec parameters, see train_word2vec
min_word_count = 1 # Minimum word count
context = 10 # Context window size
# Data Preparatopn
# ==================================================
#
# Load data
print("Loading data...")
neg_train_path = './data/imdb_train.neg'
pos_train_path = './data/imdb_train.pos'
x, y, vocabulary, vocabulary_inv = data_helpers.load_data(pos_train_path,neg_train_path)
if model_variation=='CNN-non-static' or model_variation=='CNN-static':
embedding_weights = train_word2vec(x, vocabulary_inv, model_variation, embedding_dim, min_word_count, context)
if model_variation=='CNN-static':
x = embedding_weights[0][x]
elif model_variation=='CNN-rand':
embedding_weights = None
else:
raise ValueError('Unknown model variation')
# Shuffle data
shuffle_indices = np.random.permutation(np.arange(len(y)))
x_shuffled = x[shuffle_indices]
y_shuffled = y[shuffle_indices].argmax(axis=1)
stds = grid_result.cv_results_['std_test_score']
params = grid_result.cv_results_['params']
for mean, stdev, param in zip(means, stds, params):
print("%f (%f) with: %r" % (mean, stdev, param))
sys.stdout = old_stdout
log_file.close()
if __name__ == '__main__':
os.environ[
"PATH"] += os.pathsep + 'C:/Program Files (x86)/Graphviz2.38/bin/'
# Data Preparation
print("Load data...")
x_train, y_train, x_test, y_test, vocabulary_inv = load_data()
if sequence_length != x_test.shape[1]:
print("Adjusting sequence length for actual size")
sequence_length = x_test.shape[1]
print("x_train shape:", x_train.shape)
print("x_test shape:", x_test.shape)
print("Vocabulary Size: {:d}".format(len(vocabulary_inv)))
model = create_model(x_train=x_train,
x_test=x_test,
vocabulary_inv=vocabulary_inv,
model_type=model_type,
embedding_dim=embedding_dim,
min_word_count=min_word_count,
from __future__ import print_function import numpy as np import tensorflow as tf import time import data_helpers beginTime = time.time() # Parameter definitions batch_size = 100 learning_rate = 0.005 max_steps = 1000 # Prepare data data_sets = data_helpers.load_data() # Define input placeholders images_placeholder = tf.placeholder(tf.float32, shape=[None, 3072]) labels_placeholder = tf.placeholder(tf.int64, shape=[None]) # Define variables (these are the values we want to optimize) weights = tf.Variable(tf.zeros([3072, 10])) biases = tf.Variable(tf.zeros([10])) # Define the classifier's result logits = tf.matmul(images_placeholder, weights) + biases # Define the loss function loss = tf.reduce_mean(tf.nn.sparse_softmax_cross_entropy_with_logits(logits, labels_placeholder))
word_index = dict()
for line in open(filename, "r"):
datas = line.strip().split("\t")
if len(datas) < 2:
continue
index = int(datas[0])
word = datas[1]
word_index[word] = index
return word_index
word_index = load_wordindex("./data/word.tsv")
sent_sos_id = word_index["<s>"]
sent_eos_id = word_index["</s>"]
train_data = data_helpers.load_data(
open(FLAGS.traindata_file, "r").readlines(), word_index)
test_data = data_helpers.load_data(
open(FLAGS.testdata_file, "r").readlines(), word_index)
# Training
logging.info("logging test")
with tf.Graph().as_default():
session_conf = tf.ConfigProto(
allow_soft_placement=FLAGS.allow_soft_placement,
log_device_placement=FLAGS.log_device_placement)
sess = tf.Session(config=session_conf)
with sess.as_default():
model = Seq2seq(
max_sequence_len=FLAGS.max_sequence_len,
embedding_size=FLAGS.embedding_dim,
import numpy as np
np.random.seed(1337)
from keras.layers import Input, Dense, Embedding, Conv2D, MaxPool2D
from keras.layers import Reshape, Flatten, Dropout, Concatenate
from keras.callbacks import ModelCheckpoint
from keras.optimizers import Adam
from keras.models import Model
from sklearn.model_selection import train_test_split
from data_helpers import load_data
import pandas as pd
print('Loading data')
x, y, vocabulary, vocabulary_inv, sentences_padded = load_data()
X_train, X_test, y_train, y_test = train_test_split(x,
y,
test_size=0.2,
random_state=42)
#X_train, X_val, y_train, y_val = train_test_split( X_train, y_train, test_size=0.2, random_state=42)
df_x = pd.DataFrame(X_test)
df_y = pd.DataFrame(y_test)
df_x.to_csv(
r'C:\Users\varsha.vishwakarma\Documents\CNN-text-classification\test_input_dataset_jd.csv',
header=False,
index=False)
df_y.to_csv(
r'C:\Users\varsha.vishwakarma\Documents\CNN-text-classification\test_output_dataset_jd.csv',
header=False,
index=False)
sequence_length = x.shape[1] # 56
vocabulary_size = len(vocabulary_inv) # 18765
eps user interface system
system human system eps
user response time
trees
graph trees
graph minors trees
graph minors survey
I like graph and stuff
I like trees and stuff
Sometimes I build a graph
Sometimes I build trees""").split("\n")
corpus = [sent.split() for sent in test_corpus]
'''
print("Loading data...")
x, y = data_helpers.load_data()
corpus = x + y
# Split train/test set
model = glove_optimizer.GloVeModel(embedding_size=10, context_size=3, min_occurrences=0,
learning_rate=0.05, batch_size=2)
model.fit_to_corpus(corpus)
model.train(num_epochs=1, log_dir="log/example", summary_batch_interval=10000, tsne_epoch_interval=1)
#print model.embedding_for("graph")
#print model.embeddings()
#print(model.embeddings()[model.id_for_word('graph')])
import numpy as np import keras from keras.models import Sequential, Graph from keras.layers.core import Dense, Dropout, Activation, Flatten from keras.layers.embeddings import Embedding from keras.layers.convolutional import Convolution1D, MaxPooling1D from keras.layers.recurrent import LSTM from keras.utils import np_utils, generic_utils import data_helpers from w2v import train_word2vec from sklearn.cross_validation import StratifiedKFold cnn_train,lstm_train,Y_train,cnn_vocabulary,cnn_vocabulary_inv,lstm_vocabulary,lstm_vocabulary_inv = data_helpers.load_data() cnn_embedding_weights,lstm_embedding_weights = train_word2vec(cnn_train, cnn_vocabulary_inv,lstm_train,lstm_vocabulary_inv) #cnn_train=cnn_embedding_weights[0][cnn_train] #lstm_train=lstm_embedding_weights[0][lstm_train] shuffle_indices = np.random.permutation(np.arange(len(Y_train))) cnn_shuffled = cnn_train[shuffle_indices] lstm_shuffled = lstm_train[shuffle_indices] Y_train = Y_train[shuffle_indices] #Y_train_f=np_utils.to_categorical(Y_train,27) filter_sizes = (3, 4) num_filters = 150 hidden_dims = 150 cnn_graph = Graph() cnn_graph.add_input(name='input', input_shape=(32, 300)) for fsz in filter_sizes: conv = Convolution1D(nb_filter=num_filters,filter_length=fsz,border_mode='valid',activation='relu',subsample_length=1)
tf.flags.DEFINE_boolean("log_device_placement", False, "Log placement of ops on devices")
FLAGS = tf.flags.FLAGS
FLAGS._parse_flags()
print("\nParameters:")
for attr, value in sorted(FLAGS.__flags.items()):
print("{}={}".format(attr.upper(), value))
print("")
# Data Preparatopn
# ==================================================
# Load data
print("Loading data...")
x, y, vocabulary, vocabulary_inv = data_helpers.load_data()
# Randomly shuffle data
np.random.seed(10)
shuffle_indices = np.random.permutation(np.arange(len(y)))
x_shuffled = x[shuffle_indices]
y_shuffled = y[shuffle_indices]
data_size = len(y_shuffled)
# Split train/test set
# TODO: This is very crude, should use cross-validation
x_train, x_dev = x_shuffled[:-data_size/4], x_shuffled[-data_size/4:]
y_train, y_dev = y_shuffled[:-data_size/4], y_shuffled[-data_size/4:]
print("Vocabulary Size: {:d}".format(len(vocabulary)))
print("Train/Dev split: {:d}/{:d}".format(len(y_train), len(y_dev)))
# Training
def initiate(args):
# define output directory
time_str = datetime.datetime.now().isoformat()
out_dir = os.path.abspath(os.path.join(os.path.curdir, args.save_dir, time_str))
if not os.path.exists(out_dir):
os.makedirs(out_dir)
# initiate logger
log_file_path = os.path.join(out_dir, 'log')
logger = Logger(log_file_path)
analysis_file_path = os.path.join(out_dir, 'analysis')
analysis_logger = Logger(analysis_file_path)
# report parameters
logger.write("\nParameters:")
for arg in args.__dict__:
logger.write("{}={}".format(arg.upper(), args.__dict__[arg]))
logger.write("")
# load data
logger.write("Loading data...")
if args.data == 'gameforum':
x_train, y_train, x_dev, y_dev, vocabulary, vocabulary_inv, vocabulary_embedding = data_helpers.load_data_gameforum_only(args.use_pretrained_embedding);
elif args.data == 'semeval':
x_train, y_train, x_dev, y_dev, vocabulary, vocabulary_inv, vocabulary_embedding = data_helpers.load_data_semeval_only(args.use_pretrained_embedding)
else:
x_train, y_train, x_dev, y_dev, vocabulary, vocabulary_inv, vocabulary_embedding = data_helpers.load_data(args.use_pretrained_embedding)
num_classes = len(y_train[0])
# report
logger.write("Vocabulary Size: {:d}".format(len(vocabulary)))
logger.write("Train/Dev split: {:d}/{:d}".format(len(y_train), len(y_dev)))
# fill out missing arg values
args.seq_length = x_train.shape[1]
args.vocab_size = len(vocabulary)
args.filter_sizes = map(int, args.filter_sizes.split(","))
args.vocabulary_embedding = vocabulary_embedding
args.num_classes = num_classes
# initialize a model
if args.model == 'deep':
model = DeepCNN(args)
elif args.model == 'basic':
model = BasicCNN(args)
else:
logger.write("Invalid model")
sys.exit()
# for train summary
grad_summaries = []
for g, v in model.grads_and_vars:
if g is not None:
grad_hist_summary = tf.histogram_summary("{}/grad/hist".format(v.name), g)
sparsity_summary = tf.scalar_summary("{}/grad/sparsity".format(v.name), tf.nn.zero_fraction(g))
grad_summaries.append(grad_hist_summary)
grad_summaries.append(sparsity_summary)
grad_summaries_merged = tf.merge_summary(grad_summaries)
loss_summary = tf.scalar_summary("loss", model.loss)
acc_summary = tf.scalar_summary("accuracy", model.accuracy)
train_summary_op = tf.merge_summary([loss_summary, acc_summary, grad_summaries_merged])
train_summary_dir = os.path.join(out_dir, "summaries", "train")
# prepare saver
checkpoint_dir = os.path.join(out_dir, 'checkpoints')
if not os.path.exists(checkpoint_dir):
os.makedirs(checkpoint_dir)
checkpoint_prefix = os.path.join(checkpoint_dir, "model")
saver = tf.train.Saver(tf.all_variables())
# generate batches
batches = data_helpers.batch_iter(x_train, y_train, args.batch_size, args.num_epochs)
# define train / test methods
def train_model(x, y, dropout_prob, writer, log=False):
feed_dict = {
model.input_x: x,
model.input_y: y,
model.dropout_keep_prob: dropout_prob
}
_, step, loss, accuracy, summaries = sess.run(
[model.train_op, model.global_step, model.loss, model.accuracy, train_summary_op],
feed_dict)
sess.run(model.weight_rescaling_op) # l2 norm rescaling
writer.add_summary(summaries, step)
if log:
time_str = datetime.datetime.now().isoformat()
logger.write("{}: step {}, loss {:g}, acc {:g}".format(time_str, step-1, loss, accuracy))
def test_model(x, y):
logger.write("\nEvaluate:")
feed_dict = {
model.input_x: x,
model.input_y: y,
model.dropout_keep_prob: 1.0
}
step, loss, accuracy, predictions, targets = sess.run(
[model.global_step, model.loss, model.accuracy, model.predictions, model.targets],
feed_dict)
time_str = datetime.datetime.now().isoformat()
logger.write("{}: step {}, loss {:g}, acc {:g}".format(time_str, step, loss, accuracy))
logger.write("")
return accuracy, predictions, targets
# start a session
sess_conf = tf.ConfigProto(
allow_soft_placement=args.allow_soft_placement,
log_device_placement=args.log_device_placement)
sess = tf.Session(config=sess_conf)
with sess.as_default():
# initialize
tf.initialize_all_variables().run()
train_summary_writer = tf.train.SummaryWriter(train_summary_dir, sess.graph_def)
current_step = 0
if args.train: # train the model from scratch
best_test_accuracy = 0.0
for x_batch, y_batch in batches:
# train
train_model(x_batch, y_batch, args.dropout_keep_prob, train_summary_writer,
current_step % (args.evaluate_every/4) == 0)
current_step = tf.train.global_step(sess, model.global_step)
# evaluate with dev set
if current_step % args.evaluate_every == 0:
accuracy, predictions, targets = test_model(x_dev, y_dev)
# Conduct analysis if the current model is the best so far
if accuracy > best_test_accuracy:
best_test_accuracy = accuracy
analysis_logger.write("Analysis at {}: acc={}".format(current_step, accuracy), begin=True)
analysis_logger.write("Tweet\tPred\tTrue (0=Positive, 1=Neutral, 2=Negative)")
for i in range(len(x_dev)):
tweet_idx = x_dev[i]
prediction, true_label = predictions[i], targets[i]
try:
tweet = " ".join([vocabulary_inv[word_idx] for word_idx in tweet_idx if word_idx != 0])
analysis_logger.write("{}\t{}\t{}".format(tweet, prediction, true_label))
except UnicodeEncodeError:
analysis_logger.write("{}\t{}\t{}".format("ENCODING ERROR", prediction, true_label))
analysis_logger.write("\n")
# save model
if current_step % args.checkpoint_every == 0:
path = saver.save(sess, checkpoint_prefix, global_step=current_step)
logger.write("Saved model checkpoint to {}\n".format(path))
else: # load the model
logger.write("Loading the model...")
def main(warmup_iterations, num_epochs, files, testfile): tr_data = data_helpers.load_data(files) test_data = data_helpers.load_data([testfile]) warmup_data = None start_parameter_server(model=model, num_epochs=num_epochs, warmup_data=warmup_data, test_data=test_data)
# Остальные параметры
tf.flags.DEFINE_boolean("allow_soft_placement", True, "Разрешить польщоватся удобным процессором")
tf.flags.DEFINE_boolean("log_device_placement", False, "Залогировать на каком процессоре началось выполнение")
FLAGS = tf.flags.FLAGS
FLAGS._parse_flags()
print("\nПараметры:")
for attr, value in sorted(FLAGS.__flags.items()):
print("{}={}".format(attr.upper(), value))
print("")
# Загрузка данных. Свои данные можно загрузить сдесь
print("Загрузка данных...")
x_test, y_test, vocabulary, vocabulary_inv = data_helpers.load_data()
y_test = np.argmax(y_test, axis=1)
print("Размер словаря: {:d}".format(len(vocabulary)))
print("Размер тестового набора {:d}".format(len(y_test)))
print("\nОценка...\n")
# Оценка
# ==================================================
checkpoint_file = tf.train.latest_checkpoint(FLAGS.checkpoint_dir)
graph = tf.Graph()
with graph.as_default():
session_conf = tf.ConfigProto(
allow_soft_placement=FLAGS.allow_soft_placement,
log_device_placement=FLAGS.log_device_placement)
sess = tf.Session(config=session_conf)
tf.flags.DEFINE_boolean("allow_soft_placement", True,
"Allow device soft device placement")
tf.flags.DEFINE_boolean("log_device_placement", False,
"Log placement of ops on devices")
FLAGS = tf.flags.FLAGS
FLAGS.batch_size
print("\nParameters:")
for attr, value in sorted(FLAGS.__flags.iteritems()):
print("{}={}".format(attr.upper(), value))
print("")
# Data Preparatopn
# ==================================================
# Load data
print("Loading data...")
x_, y_, vocabulary, vocabulary_inv, test_size = data_helpers.load_data(
FLAGS.vn)
print("Loading pre-trained vectors...")
trained_vecs = data_helpers.load_trained_vecs(FLAGS.vn, FLAGS.vn_embeddings,
FLAGS.en_embeddings, vocabulary)
# Create embedding lookup table
count = data_helpers.add_unknown_words(trained_vecs, vocabulary)
embedding_mat = [trained_vecs[p] for i, p in enumerate(vocabulary_inv)]
embedding_mat = np.array(embedding_mat, dtype=np.float32)
# Randomly shuffle data
x, x_test = x_[:-test_size], x_[-test_size:]
y, y_test = y_[:-test_size], y_[-test_size:]
shuffle_indices = np.random.permutation(np.arange(len(y)))
x_shuffled = x[shuffle_indices]
# Misc Parameters
tf.flags.DEFINE_boolean("allow_soft_placement", True, "Allow device soft device placement")
tf.flags.DEFINE_boolean("log_device_placement", False, "Log placement of ops on devices")
FLAGS = tf.flags.FLAGS
FLAGS.batch_size
print("\nParameters:")
for attr, value in sorted(FLAGS.__flags.iteritems()):
print("{}={}".format(attr.upper(), value))
print("")
# Data Preparatopn
# ==================================================
# Load data
print("Loading data...")
x_, y_, vocabulary, vocabulary_inv, test_size,all_label = data_helpers.load_data()
print("Loading pre-trained vectors...")
trained_vecs = data_helpers.load_trained_vecs(FLAGS.en_embeddings, vocabulary)
# Create embedding lookup table
count = data_helpers.add_unknown_words(trained_vecs, vocabulary)
embedding_mat = [trained_vecs[p] for i, p in enumerate(vocabulary_inv)]
embedding_mat = np.array(embedding_mat, dtype = np.float32)
# Randomly shuffle data
x, x_test = x_[:-test_size], x_[-test_size:]
y, y_test = y_[:-test_size], y_[-test_size:]
shuffle_indices = np.random.permutation(np.arange(len(y)))
x_shuffled = x[shuffle_indices]
y_shuffled = y[shuffle_indices]
import data_helpers
from text_cnn import TextCNN
import math
import re
import itertools
from collections import Counter
import random
import nltk
import collections
import word2vec
from text_rnn import TextRNN
# Load training data
x_train, y_train, vocabulary, vocabulary_inv = data_helpers.load_data()
#y_test = np.argmax(y_test, axis=1)
vocab_size = len(vocabulary)
print("Vocabulary size: {:d}".format(vocab_size))
print("Test set size {:d}".format(len(y_train)))
# Generate word embeddings
data = x_train.flatten()
iterations = 1000
data = data[data!=468]
w2v = word2vec.word2vec(data,vocabulary,vocabulary_inv,vocab_size,iterations)
final_embeddings = w2v.runWord2Vec()
x_train = np.fliplr(x_train)
fullTrain = np.concatenate((x_train,y_train),axis=1)
shuffledTrain = np.random.permutation(fullTrain)
