def _gen_embd_matrix(args, word_index):
embeddings_index = read_glove_vectors(args.embedding_file_path)
embedding_matrix = np.zeros((args.nb_words + 1, args.embedding_dim))
for word, i in word_index.items():
if i > args.nb_words:
continue
embedding_vector = embeddings_index.get(word)
if embedding_vector is not None:
embedding_matrix[i] = embedding_vector
return embedding_matrix
def train_pair(args, train_csv, test_csv):
print('Reading word vectors.')
embeddings_index = read_glove_vectors(args.embedding_file_path)
print('Found {} word vectors.'.format(len(embeddings_index)))
print('Processing input data')
x_train, y_train, x_test, y_test, word_index, = read_input_csv(train_csv,
test_csv,
args.nb_words,
args.max_sequence_len)
print('train tensor {}.'.format(x_train.shape))
print('Preparing embedding matrix.')
# initiate embedding matrix with zero vectors.
nb_words = min(args.nb_words, len(word_index))
embedding_matrix = np.zeros((nb_words + 1, args.embedding_dim))
for word, i in word_index.items():
if i > nb_words:
continue
embedding_vector = embeddings_index.get(word)
if embedding_vector is not None:
embedding_matrix[i] = embedding_vector
args.nb_words = nb_words
# args.len_labels_index = len(labels_index)
args.len_labels_index = 2 # fixed for sentiment detection.
model = model_selector(args, embedding_matrix)
checkpoint_filepath = os.path.join(args.model_dir, "weights.best.hdf5")
checkpoint = ModelCheckpoint(checkpoint_filepath, monitor='val_loss',
verbose=1, save_best_only=True)
earlystop = EarlyStopping(monitor='val_loss', patience=1, verbose=1)
tsb = TensorBoard(log_dir='./log', histogram_freq=0, write_graph=True, write_images=False)
callbacks_list = [checkpoint, earlystop, tsb]
model_json = model.to_json()
with open(os.path.join(args.model_dir, "model.json"), "w") as json_file:
json_file.write(model_json)
model.fit(x_train, y_train, validation_split=0.1,
nb_epoch=args.num_epochs, batch_size=args.batch_size, callbacks=callbacks_list)
classes = earlystop.model.predict_classes(x_test, batch_size=args.batch_size)
# acc only supports classes
acc = np_utils.accuracy(classes, np_utils.categorical_probas_to_classes(y_test))
print('Test accuracy: {}.'.format(acc))
def train(args):
print('Reading word vectors.')
embeddings_index = read_glove_vectors(args.embedding_file_path)
print('Found {} word vectors.'.format(len(embeddings_index)))
print('Processing input data')
texts, labels = read_input_data(args.data_dir)
# texts - list of text samples
# labels_index - dictionary mapping label name to numeric id
# labels - list of label ids
print('Found {} texts.'.format(len(texts)))
# Vectorize the text sample into 2D integer tensor
tokenizer = Tokenizer(nb_words=args.nb_words)
tokenizer.fit_on_texts(texts)
sequences = tokenizer.texts_to_sequences(texts)
word_index = tokenizer.word_index
# Transform labels to be categorical variables
print('Found {} unique tokens.'.format(len(word_index)))
data = pad_sequences(sequences, maxlen=args.max_sequence_len)
x_train, y_train = train_data(data, labels)
print(type(data))
print(x_train[100])
x_train = np.array(x_train).astype('int32')
print(x_train[100])
# Transform labels to be categorical variables
labels = to_categorical(np.asarray(labels))
y_train = to_categorical(np.asarray(y_train))
print('Shape of total data tensor:', data.shape)
print('Shape of total label tensor:', labels.shape)
# split the input data into training set and validation set
indices = np.arange(x_train.shape[0])
np.random.shuffle(indices)
x_train = x_train[indices]
y_train = y_train[indices]
indices = np.arange(data.shape[0])
np.random.shuffle(indices)
x_val = data[indices]
y_val = labels[indices]
print('Preparing embedding matrix.')
# initiate embedding matrix with zero vectors.
nb_words = min(args.nb_words, len(word_index))
embedding_matrix = np.zeros((nb_words + 1, args.embedding_dim))
for word, i in word_index.items():
if i > nb_words:
continue
embedding_vector = embeddings_index.get(word)
if embedding_vector is not None:
embedding_matrix[i] = embedding_vector
args.nb_words = nb_words
args.len_labels_index = 3
model = model_selector(args, embedding_matrix)
checkpoint_filepath = os.path.join(args.model_dir, "new.en.msd.weights.best.hdf5")
checkpoint = ModelCheckpoint(checkpoint_filepath, monitor='val_acc', verbose=1, save_best_only=True)
callbacks_list = [checkpoint]
model_json = model.to_json()
with open(os.path.join(args.model_dir, "new.en.msd.model.json"), "w") as json_file:
json_file.write(model_json)
model.fit(x_train, y_train, validation_data=(x_val, y_val), nb_epoch=args.num_epochs, batch_size=args.batch_size, callbacks=callbacks_list, verbose=1)
proba = model.predict_proba(data, batch_size=300)
np.savetxt('new_en_msd', proba, delimiter='\t', fmt='%.6f')
def train(args):
print('Reading word vectors.')
#embeddings_index = read_glove_vectors(args.embedding_file_path)
embeddings_index = read_glove_vectors(
"/home/duong/Desktop/CNN-Sentence-Classifier/app/GoogleNews-vectors-negative300.txt"
)
embeddings_index2 = read_glove_vectors(
"/home/duong/Desktop/CNN-Sentence-Classifier/app/glove2.txt")
print('Found {} word vectors in embedding2.'.format(
len(embeddings_index2)))
print('Processing input data')
#texts, labels_index, labels = read_input_data(args.data_dir)
input_name = [
"input_CR_prccd.txt", "input_Sub_prccd.txt", "input_MPQA_prccd.txt",
"inputPCQM_prccd.txt", "input_flood_phi_prccd.txt",
"input_flood_colorado_prccd.txt", "input_flood_qeen_prccd.txt",
"input_flood_manila_prccd.txt", "input_fire_australia_prccd.txt",
"input_earthquake_chile_prccd.txt"
]
label_name = [
"label_CR.txt", "label_input_Sub.txt", "label_MPQA.txt",
"labelPCQM.txt", "label_flood_phi.txt", "label_flood_colorado.txt",
"label_flood_qeen.txt", "label_flood_manila.txt",
"label_fire_australia.txt", "label_earthquake_chile.txt"
]
with open("11Janlan1_Train3_CV50_w2v_Glove2_cnn3xStatic.txt",
'wb') as result_CV:
for list in range(0, 10):
texts, labels_index, labels, textsPCQ, labels_indexPCQ, labelsPCQ, \
textsVali, labels_indexVali, labelsVali = read_input_data(args.data_dir,input_name[list],label_name[list])
# texts - list of text samples
# labels_index - dictionary mapping label name to numeric id
# labels - list of label ids
print('Found {} texts.'.format(len(textsPCQ)))
# Vectorize the text sample into 2D integer tensor
tokenizer = Tokenizer(nb_words=args.nb_words)
tokenizer.fit_on_texts(textsPCQ)
sequences = tokenizer.texts_to_sequences(textsPCQ)
word_index = tokenizer.word_index
print('Found {} unique tokens.'.format(len(word_index)))
data = pad_sequences(sequences, maxlen=args.max_sequence_len)
# Transform labels to be categorical variables
labelsPCQ = to_categorical(np.asarray(labelsPCQ))
print('Shape of data tensor:', data.shape)
print('Shape of label tensor:', labelsPCQ.shape)
#Infor of Validat dataset
print('Found {} Vali.'.format(len(textsVali)))
# Vectorize the text sample into 2D integer tensor
tokenizerVali = Tokenizer(nb_words=args.nb_words)
tokenizerVali.fit_on_texts(textsVali)
sequencesVali = tokenizerVali.texts_to_sequences(textsVali)
word_indexVali = tokenizerVali.word_index
print('Found {} unique tokens in Vali.'.format(
len(word_indexVali)))
dataVali = pad_sequences(sequencesVali,
maxlen=args.max_sequence_len)
# Transform labels to be categorical variables
labelsVali = to_categorical(np.asarray(labelsVali))
print('Shape of data tensor in Vali:', dataVali.shape)
print('Shape of label tensor in Vali:', labelsVali.shape)
#split the input data into training set and validation set
indices = np.arange(data.shape[0])
np.random.shuffle(indices)
data = data[indices]
labelsPCQ = labelsPCQ[indices]
# nb_validation_samples = int(args.validation_split * data.shape[0])
#
# x_train = data[:-nb_validation_samples]
# y_train = labelsPCQ[:-nb_validation_samples]
# x_val = data[-nb_validation_samples:]
# y_val = labelsPCQ[-nb_validation_samples:]
# indices_train = np.arange(data.shape[0])
# np.random.shuffle(indices_train)
# data = data[indices_train]
# labelsPCQ = labelsPCQ[indices_train]
#
# indicesVali = np.arange(dataVali.shape[0])
# np.random.shuffle(indicesVali)
# dataVali = dataVali[indicesVali]
# labelsVali = labelsVali[indicesVali]
#
# x_train = data
# y_train = labelsPCQ
# x_val = dataVali
# y_val = labelsVali
print('Preparing embedding matrix.')
# initiate embedding matrix with zero vectors for embedding1.
nb_words = min(args.nb_words, len(word_index))
embedding_matrix = np.zeros((nb_words + 1, args.embedding_dim))
for word, i in word_index.items():
if i > nb_words:
continue
embedding_vector = embeddings_index.get(word)
if embedding_vector is not None:
embedding_matrix[i] = embedding_vector
args.nb_words = nb_words
args.len_labels_index = len(labels_index)
# initiate embedding matrix with zero vectors for embedding2.
nb_words2 = min(args.nb_words, len(word_index))
embedding_matrix2 = np.zeros(
(nb_words2 + 1, args.embedding_dim2)) #+100
for word, i in word_index.items():
if i > nb_words2:
continue
embedding_vector2 = embeddings_index2.get(word)
if embedding_vector2 is not None:
embedding_matrix2[i] = embedding_vector2
args.nb_words = nb_words
args.len_labels_index = len(labels_index)
'''Remember uncomment model according to model.fit below'''
#model = model_selector(args, embedding_matrix)
#model = model_selector2(args, embedding_matrix, embedding_matrix2)
model = model_selectorBoth(args, embedding_matrix,
embedding_matrix2)
print(args)
cv_scores = []
ROC_scores = []
fold = 10
for i in range(0, fold):
print("\n")
print("\n")
print("\n")
print("-------------FOLD :", (i + 1))
window_data = data.shape[0] / fold
# Generate batches from indices
x_train1 = data[:i * window_data]
x_train2 = data[(i + 1) * window_data:]
y_train1 = labelsPCQ[:i * window_data]
y_train2 = labelsPCQ[(i + 1) * window_data:]
if i == 0:
x_trainAll = x_train2
y_trainAll = y_train2
else:
x_trainAll = np.concatenate((x_train1, x_train2), axis=0)
y_trainAll = np.concatenate((y_train1, y_train2), axis=0)
x_val = data[i * window_data:(i + 1) * window_data]
y_val = labelsPCQ[i * window_data:(i + 1) * window_data]
indices_ = np.arange(x_trainAll.shape[0])
np.random.shuffle(indices_)
x_train = x_trainAll[indices_]
y_train = y_trainAll[indices_]
nb_validation_samples = int(args.validation_split *
x_train.shape[0])
x_train = x_train[:-nb_validation_samples]
y_train = y_train[:-nb_validation_samples]
x_dev = x_train[-nb_validation_samples:]
y_dev = y_train[-nb_validation_samples:]
model = None
model = model_selectorBoth(args, embedding_matrix,
embedding_matrix2)
# checkpoint_filepath = os.path.join(args.model_dir, "weights.best.hdf5")
# # checkpoint = ModelCheckpoint(checkpoint_filepath, monitor='val_loss',
# # verbose=1, save_best_only=True)
# # callbacks_list = [checkpoint]
#
# earlystopper = EarlyStopping(monitor='val_loss', patience=3, verbose=1)
# checkpointer = ModelCheckpoint(checkpoint_filepath, monitor='val_loss', verbose=1, save_best_only=True)
# callbacks_list = [earlystopper, checkpointer]
# model_json = model.to_json()
# with open(os.path.join(args.model_dir, "model.json"), "w") as json_file:
# json_file.write(model_json)
#
#
# #model.fit(x_train, y_train, validation_data=(x_val, y_val), nb_epoch=args.num_epochs,
# # batch_size=args.batch_size, callbacks=callbacks_list)
# model.fit([x_train, x_train], y_train, validation_data=([x_val, x_val], y_val), nb_epoch=args.num_epochs,
# batch_size=args.batch_size, callbacks=callbacks_list)
model.fit([x_train, x_train, x_train, x_train],
y_train,
epochs=args.num_epochs,
batch_size=args.batch_size,
verbose=0)
# print("Test model ...")
# print("Loading ...", checkpoint_filepath)
# model.load_weights(checkpoint_filepath)
y_prob = model.predict([x_val, x_val, x_val, x_val])
roc = metrics.roc_auc_score(y_val, y_prob)
print("ROC Prediction (binary classification):", roc)
result_CV.write("roc: %.2f%%" % roc)
scores = model.evaluate([x_val, x_val, x_val, x_val],
y_val,
verbose=0)
print("%s: %.2f%%" % (model.metrics_names[1], scores[1] * 100))
result_CV.write("acc: %.2f%%" % (scores[1] * 100))
cv_scores.append(scores[1] * 100)
ROC_scores.append(roc * 100)
result_CV.write(time.asctime(time.localtime(time.time())) + '\n')
print(input_name[list])
print("ACC: %.2f%% (+/- %.2f%%)" %
(np.mean(cv_scores), np.std(cv_scores)))
print("ROC: %.2f%% (+/- %.2f%%)" %
(np.mean(ROC_scores), np.std(ROC_scores)))
result_CV.write(input_name[list] + " ACC: %.2f%% (+/- %.2f%%)" %
(np.mean(cv_scores), np.std(cv_scores)) +
" ROC: %.2f%% (+/- %.2f%%)" %
(np.mean(ROC_scores), np.std(ROC_scores)) + '\n')
result_CV.write(time.asctime(time.localtime(time.time())) + '\n')
def train(args):
print('Reading word vectors.')
#embeddings_index = read_glove_vectors(args.embedding_file_path)
embeddings_index = read_glove_vectors("/home/duong/Desktop/CNN-Sentence-Classifier/app/GoogleNews-vectors-negative300.txt")
embeddings_index2 = read_glove_vectors("/home/duong/Desktop/CNN-Sentence-Classifier/app/glove.txt")
print('Found {} word vectors in embedding2.'.format(len(embeddings_index2)))
print('Processing input data')
#texts, labels_index, labels = read_input_data(args.data_dir)
texts, labels_index, labels, textsPCQ, labels_indexPCQ, labelsPCQ, \
textsVali, labels_indexVali, labelsVali = read_input_data(args.data_dir)
# texts - list of text samples
# labels_index - dictionary mapping label name to numeric id
# labels - list of label ids
print('Found {} texts.'.format(len(textsPCQ)))
# Vectorize the text sample into 2D integer tensor
tokenizer = Tokenizer(nb_words=args.nb_words)
tokenizer.fit_on_texts(textsPCQ)
sequences = tokenizer.texts_to_sequences(textsPCQ)
word_index = tokenizer.word_index
print('Found {} unique tokens.'.format(len(word_index)))
data = pad_sequences(sequences, maxlen=args.max_sequence_len)
# Transform labels to be categorical variables
labelsPCQ = to_categorical(np.asarray(labelsPCQ))
print('Shape of data tensor:', data.shape)
print('Shape of label tensor:', labelsPCQ.shape)
#Infor of Validat dataset
print('Found {} Vali.'.format(len(textsVali)))
# Vectorize the text sample into 2D integer tensor
tokenizerVali = Tokenizer(nb_words=args.nb_words)
tokenizerVali.fit_on_texts(textsVali)
sequencesVali = tokenizerVali.texts_to_sequences(textsVali)
word_indexVali = tokenizerVali.word_index
print('Found {} unique tokens in Vali.'.format(len(word_indexVali)))
dataVali = pad_sequences(sequencesVali, maxlen=args.max_sequence_len)
# Transform labels to be categorical variables
labelsVali = to_categorical(np.asarray(labelsVali))
print('Shape of data tensor in Vali:', dataVali.shape)
print('Shape of label tensor in Vali:', labelsVali.shape)
#split the input data into training set and validation set
indices = np.arange(data.shape[0])
np.random.shuffle(indices)
data = data[indices]
labelsPCQ = labelsPCQ[indices]
nb_validation_samples = int(args.validation_split * data.shape[0])
x_train = data[:-nb_validation_samples]
y_train = labelsPCQ[:-nb_validation_samples]
x_val = data[-nb_validation_samples:]
y_val = labelsPCQ[-nb_validation_samples:]
# indices_train = np.arange(data.shape[0])
# np.random.shuffle(indices_train)
# data = data[indices_train]
# labelsPCQ = labelsPCQ[indices_train]
#
# indicesVali = np.arange(dataVali.shape[0])
# np.random.shuffle(indicesVali)
# dataVali = dataVali[indicesVali]
# labelsVali = labelsVali[indicesVali]
#
# x_train = data
# y_train = labelsPCQ
# x_val = dataVali
# y_val = labelsVali
print('Preparing embedding matrix.')
# initiate embedding matrix with zero vectors for embedding1.
nb_words = min(args.nb_words, len(word_index))
embedding_matrix = np.zeros((nb_words + 1, args.embedding_dim))
for word, i in word_index.items():
if i > nb_words:
continue
embedding_vector = embeddings_index.get(word)
if embedding_vector is not None:
embedding_matrix[i] = embedding_vector
args.nb_words = nb_words
args.len_labels_index = len(labels_index)
# initiate embedding matrix with zero vectors for embedding2.
nb_words2 = min(args.nb_words, len(word_index))
embedding_matrix2 = np.zeros((nb_words2 + 1, args.embedding_dim2))#+100
for word, i in word_index.items():
if i > nb_words2:
continue
embedding_vector2 = embeddings_index2.get(word)
if embedding_vector2 is not None:
embedding_matrix2[i] = embedding_vector2
args.nb_words = nb_words
args.len_labels_index = len(labels_index)
'''Remember uncomment model according to model.fit below'''
#model = model_selector(args, embedding_matrix)
#model = model_selector2(args, embedding_matrix, embedding_matrix2)
model = model_selectorBoth(args, embedding_matrix, embedding_matrix2)
checkpoint_filepath = os.path.join(args.model_dir, "weights.best.hdf5")
# checkpoint = ModelCheckpoint(checkpoint_filepath, monitor='val_loss',
# verbose=1, save_best_only=True)
# callbacks_list = [checkpoint]
earlystopper = EarlyStopping(monitor='val_loss', patience=3, verbose=1)
checkpointer = ModelCheckpoint(checkpoint_filepath, monitor='val_loss', verbose=1, save_best_only=True)
callbacks_list = [earlystopper, checkpointer]
model_json = model.to_json()
with open(os.path.join(args.model_dir, "model.json"), "w") as json_file:
json_file.write(model_json)
#model.fit(x_train, y_train, validation_data=(x_val, y_val), nb_epoch=args.num_epochs,
# batch_size=args.batch_size, callbacks=callbacks_list)
model.fit([x_train, x_train], y_train, validation_data=([x_val, x_val], y_val), nb_epoch=args.num_epochs,
batch_size=args.batch_size, callbacks=callbacks_list)
#model.fit([x_train, x_train, x_train], y_train, validation_data=([x_val, x_val, x_val], y_val), nb_epoch=args.num_epochs,
# batch_size=args.batch_size, callbacks=callbacks_list)
print("Test model ...")
print("Loading ...", checkpoint_filepath)
model.load_weights(checkpoint_filepath)
y_prob = model.predict([x_val,x_val])
roc = metrics.roc_auc_score(y_val, y_prob)
print("ROC Prediction (binary classification):", roc)