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data_helpers.py
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data_helpers.py
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import numpy as np
import gensim as gs
import sys
from pprint import pprint
def prepare_files(data_file):
train = open('A5.train_set.labeled', 'w')
dev = open('A5.dev_set.labeled', 'w')
f_len = 0
with open(data_file) as f:
for line in f:
f_len += 1
i = 0
with open(data_file) as f:
for line in f:
if i < 3600:
train.write(line)
else:
dev.write(line)
i += 1
def load_labels_and_data(model_file, data_file, smallSentences=False):
labels = {}
print "Loading model"
model = gs.models.KeyedVectors.load_word2vec_format(model_file, binary=True)
#model = gs.models.Word2Vec.load_word2vec_format(model_file, binary=True)
print "Model loaded"
# default these to the most popular sub-categories
labels['H'] = 0
labels['M'] = 1
#
ret_labels = []
ref_sentences = []
can_sentences = []
# scores = np.array()
i = 0
with open(data_file) as f:
for line in f:
if i % 6 == 0:
chi_sen = line.strip()
elif i % 6 == 1:
ref_sen = line.strip()
elif i % 6 == 2:
can_sen = line.strip()
elif i % 6 == 3:
score = line.strip()
elif i % 6 == 4:
label = line.strip()
elif i % 6 == 5:
lab_vec = np.zeros(2)
lab_vec[labels[label]] = 1
ret_labels.append(lab_vec)
smallSen1 = get_sentence_matrix(ref_sen, model)
smallSen2 = get_sentence_matrix(can_sen, model)
#smallSen2 = np.concatenate([np.array(score), smallSen2])
ref_sentences.append(smallSen1)
can_sentences.append(smallSen2)
#scores.column_stack(np.array(score))
i += 1
return ref_sentences, can_sentences, ret_labels#, scores
def get_sentence_matrix(sentence, model):
try:
mat = model[sentence[0]]
except:
mat = np.zeros(300, dtype=float)
for i in xrange(1, len(sentence)):
word = sentence[i]
try:
mat = np.column_stack([mat, model[word]])
except:
mat = np.column_stack([mat, np.zeros(300, dtype=float)])
return np.mean(mat, axis=1)
if __name__ == '__main__':
prepare_files(sys.argv[1])
#if __name__ == '__main__':
# load_labels_and_data(sys.argv[1], sys.argv[2])