sentences = data_helpers.padding_sentences(x_text,
'<PADDING>',
padding_sentence_length=20)
x = np.array(
word2vec_helpers.embedding_sentences(sentences,
embedding_size=FLAGS.embedding_dim,
file_to_save=os.path.join(
out_dir,
'trained_word2vec.model')))
print("x.shape = {}".format(x.shape))
print("y.shape = {}".format(y.shape))
# Save params
training_params_file = os.path.join(out_dir, 'training_params.pickle')
params = {'num_labels': FLAGS.num_labels, 'max_document_length': 20}
data_helpers.saveDict(params, training_params_file)
# Shuffle data randomly
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
dev_sample_index = -1 * int(FLAGS.dev_sample_percentage * float(len(y)))
x_train, x_dev = x_shuffled[:dev_sample_index], x_shuffled[dev_sample_index:]
y_train, y_dev = y_shuffled[:dev_sample_index], y_shuffled[dev_sample_index:]
print("Train/Dev split: {:d}/{:d}".format(len(y_train), len(y_dev)))
print("x_train.shape={}".format(x_train.shape))
# =======================================================
# Load data
print("Loading data...")
x_text, y = data_helpers.load_positive_negative_data_files(FLAGS.positive_data_file, FLAGS.negative_data_file)
# Get embedding vector
sentences, max_document_length = data_helpers.padding_sentences(x_text, '<PADDING>')
x = np.array(word2vec_helpers.embedding_sentences(sentences, embedding_size = FLAGS.embedding_dim, file_to_save = os.path.join(out_dir, 'trained_word2vec.model')))
print("x.shape = {}".format(x.shape))
print("y.shape = {}".format(y.shape))
# Save params
training_params_file = os.path.join(out_dir, 'training_params.pickle')
params = {'num_labels' : FLAGS.num_labels, 'max_document_length' : max_document_length}
data_helpers.saveDict(params, training_params_file)
# Shuffle data randomly
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
dev_sample_index = -1 * int(FLAGS.dev_sample_percentage * float(len(y)))
x_train, x_dev = x_shuffled[:dev_sample_index], x_shuffled[dev_sample_index:]
y_train, y_dev = y_shuffled[:dev_sample_index], y_shuffled[dev_sample_index:]
print("Train/Dev split: {:d}/{:d}".format(len(y_train), len(y_dev)))
# Training
