def main():
parser = argparse.ArgumentParser(
description=
"Recurrent neural network for identifying and classifying toxic online comments"
)
parser.add_argument("train_file_path")
parser.add_argument("test_file_path")
parser.add_argument("embedding_path")
parser.add_argument("--result-path", default="toxic_results")
parser.add_argument("--batch-size", type=int, default=256)
parser.add_argument("--sentences-length", type=int, default=500)
parser.add_argument("--recurrent-units", type=int, default=64)
parser.add_argument("--dropout-rate", type=float, default=0.3)
parser.add_argument("--dense-size", type=int, default=32)
parser.add_argument("--fold-count", type=int, default=10)
args = parser.parse_args()
if args.fold_count <= 1:
raise ValueError("fold-count should be more than 1")
print("Loading data...")
train_data = pd.read_csv(args.train_file_path)
test_data = pd.read_csv(args.test_file_path)
"""
list_sentences_train = train_data["comment_text"].fillna(NAN_WORD).values
list_sentences_test = test_data["comment_text"].fillna(NAN_WORD).values
y_train = train_data[CLASSES].values
print("Tokenizing sentences in train set...")
tokenized_sentences_train, words_dict = tokenize_sentences(list_sentences_train, {})
print("Tokenizing sentences in test set...")
tokenized_sentences_test, words_dict = tokenize_sentences(list_sentences_test, words_dict)
words_dict[UNKNOWN_WORD] = len(words_dict)
print("Loading embeddings...")
embedding_list, embedding_word_dict = read_embedding_list(args.embedding_path)
embedding_size = len(embedding_list[0])
print("Preparing data...")
embedding_list, embedding_word_dict = clear_embedding_list(embedding_list, embedding_word_dict, words_dict)
embedding_word_dict[UNKNOWN_WORD] = len(embedding_word_dict)
embedding_list.append([0.] * embedding_size)
embedding_word_dict[END_WORD] = len(embedding_word_dict)
embedding_list.append([-1.] * embedding_size)
embedding_matrix = np.array(embedding_list)
id_to_word = dict((id, word) for word, id in words_dict.items())
train_list_of_token_ids = convert_tokens_to_ids(
tokenized_sentences_train,
id_to_word,
embedding_word_dict,
args.sentences_length)
test_list_of_token_ids = convert_tokens_to_ids(
tokenized_sentences_test,
id_to_word,
embedding_word_dict,
args.sentences_length)
X_train = np.array(train_list_of_token_ids)
X_test = np.array(test_list_of_token_ids)
"""
embed_path = os.path.join(args.embedding_path, 'embeddings.npz')
data = np.load(embed_path)
embedding_matrix = data['arr_0']
data_path = os.path.join(args.embedding_path, 'train.npz')
data = np.load(data_path)
X_train = data['arr_0']
data_path = os.path.join(args.embedding_path, 'test.npz')
data = np.load(data_path)
X_test = data['arr_0']
data_path = os.path.join(args.embedding_path, 'label.npz')
data = np.load(data_path)
y_train = data['arr_0']
"""
get_model_func = lambda: get_model(
embedding_matrix,
args.sentences_length,
args.dropout_rate,
args.recurrent_units,
args.dense_size)
"""
get_model_func = lambda: get_GRU_GlobalMax_Ave(
embedding_matrix, args.sentences_length, args.dropout_rate, args.
recurrent_units, args.dense_size)
print("Starting to train models...")
models = train_folds(X_train, y_train, args.fold_count, args.batch_size,
get_model_func)
if not os.path.exists(args.result_path):
os.mkdir(args.result_path)
print("Predicting results...")
test_predicts_list = []
for fold_id, model in enumerate(models):
model_path = os.path.join(args.result_path,
"model{0}_weights.npy".format(fold_id))
np.save(model_path, model.get_weights())
test_predicts_path = os.path.join(
args.result_path, "test_predicts{0}.npy".format(fold_id))
test_predicts = model.predict(X_test, batch_size=args.batch_size)
test_predicts_list.append(test_predicts)
np.save(test_predicts_path, test_predicts)
test_predicts = np.ones(test_predicts_list[0].shape)
for fold_predict in test_predicts_list:
test_predicts *= fold_predict
test_predicts **= (1. / len(test_predicts_list))
test_predicts **= PROBABILITIES_NORMALIZE_COEFFICIENT
test_ids = test_data["id"].values
test_ids = test_ids.reshape((len(test_ids), 1))
test_predicts = pd.DataFrame(data=test_predicts, columns=CLASSES)
test_predicts["id"] = test_ids
test_predicts = test_predicts[["id"] + CLASSES]
submit_path = os.path.join(args.result_path, "submit")
test_predicts.to_csv(submit_path, index=False)
def main():
parser = argparse.ArgumentParser(
description="Recurrent neural network for identifying and classifying toxic online comments")
parser.add_argument("train_file_path")
parser.add_argument("test_file_path")
parser.add_argument('--test-mode', type=bool, default=False)
parser.add_argument("--embedding-path", default=None)
parser.add_argument("--result-path", default="toxic_results")
parser.add_argument("--batch-size", type=int, default=256)
parser.add_argument("--sentences-length", type=int, default=500)
parser.add_argument("--recurrent-units", type=int, default=64)
parser.add_argument("--dropout-rate", type=float, default=0.5)
parser.add_argument("--dense-size", type=int, default=32)
parser.add_argument("--fold-count", type=int, default=10)
parser.add_argument('--epoch', type=int, default=5)
parser.add_argument('--load-pretrained', type=bool, default=False)
parser.add_argument('--sample', type=float, default=0.1)
args = parser.parse_args()
# if args.fold_count <= 1:
# raise ValueError("fold-count should be more than 1")
print("Loading data...")
vocab_size = 50000
embedding_dim = 64
X_train, y_train, X_test, embedding_matrix = get_train_test_and_embedding(
train_csv=args.train_file_path, test_csv=args.test_file_path,
sequence_length=args.sentences_length, vocab_size=vocab_size,
embedding_file=args.embedding_path, embedding_dim=embedding_dim)
test_data = pd.read_csv(args.test_file_path)
test_ids = test_data["id"].values
get_model_func = lambda: get_model(
embedding_matrix,
args.sentences_length,
args.dropout_rate,
args.recurrent_units,
args.dense_size)
if args.test_mode is True:
print('in test mode!')
X_size = X_train.shape[0]
sub_train_indices = np.random.choice(range(X_size), size=int(X_size*args.sample), replace=False)
X_test_size = X_test.shape[0]
sub_test_indices = np.random.choice(range(X_test_size), size=int(X_test_size*0.1), replace=False)
X_test = X_test[sub_test_indices]
test_ids = test_ids[sub_test_indices]
else:
print(' not in test mode')
X_size = X_train.shape[0]
sub_train_indices = np.random.choice(range(X_size), size=int(X_size*1), replace=False)
# X_test_size = X_test.shape[0]
# sub_test_indices = np.random.choice(range(X_test_size), size=int(X_test_size*1), replace=False)
X_train = X_train[sub_train_indices]
y_train = y_train[sub_train_indices]
print("Starting to train models...")
# model, hist = train_folds(X_train, y_train, args.epoch, args.batch_size, get_model_func)
if args.load_pretrained is False:
models, scores = train_folds(
X=X_train, y=y_train,
epoch=args.epoch, fold_count=args.fold_count,
batch_size=args.batch_size,
get_model_func=get_model_func)
else:
models = [get_model_func() for _ in range(args.fold_count)]
scores = [0.98729337078270507, 0.98741052541081709, 0.98875435673905765, 0.98888426426103615, 0.98921313005210798, 0.98900847797211722, 0.98849751432495514, 0.98839252464184923, 0.98844750778401702, 0.98633935039731879]
print('the fold score is : {}'.format(scores))
validation_scores = np.mean(scores)
if not os.path.exists(args.result_path):
os.mkdir(args.result_path)
# print("Predicting results...")
# y_pred = model.predict(X_test)
#
probabilities = softmax(scores)
max_probability_index = np.argmax(scores)
#mean_probabilities = [1./scores] * len(scores)
# test_predicts_list = []
# for fold_id, model in enumerate(models):
test_predicts_softmax = np.zeros(shape=(X_test.shape[0], len(CLASSES)))
test_predicats_mean = np.zeros(shape=(X_test.shape[0], len(CLASSES)))
test_predicats_max = np.zeros(shape=(X_test.shape[0], len(CLASSES)))
test_predicats_with_normalizated = np.zeros(shape=(X_test.shape[0], len(CLASSES)))
print('predicate test set!')
for fold_id, model in enumerate(models):
prob = probabilities[fold_id]
print('predicate with fold_id {}'.format(fold_id))
model_path = os.path.join(args.result_path, 'model{0}_weights.npy'.format(fold_id))
if args.load_pretrained is True:
weights = np.load('model{0}_weights.npy')
model.set_weights(weights)
else:
np.save(model_path, model.get_weights())
for fold_id, model in enumerate(models):
prob = probabilities[fold_id]
# test_predicts_path = os.path.join(args.result_path, "test_predicts{0}.npy".format(fold_id))
t = model.predict(X_test, batch_size=args.batch_size)
test_predicts_softmax += prob * t
test_predicats_mean += t * (1/len(models))
if fold_id == max_probability_index:
test_predicats_max = t
# test_predicts_list.append(test_predicts)
# np.save(test_predicts_path, test_predicts)
fold_id += 1
test_predicats_with_normalizated = test_predicts_softmax / PROBABILITIES_NORMALIZE_COEFFICIENT
# test_predicts = np.ones(test_predicts_list[0].shape)
# for fold_predict in test_predicts_list:
# test_predicts += fold_predict
# test_predicts /= len(test_predicts_list)
# test_predicts **= (1. / len(test_predicts_list))
# test_predicts **= PROBABILITIES_NORMALIZE_COEFFICIENT
#
test_ids = test_ids.reshape((len(test_ids), 1))
results_with_label = {
'softmax': test_predicts_softmax,
'max': test_predicats_max,
'mean': test_predicats_mean,
'normalized': test_predicats_with_normalizated
}
for method in results_with_label:
test_predicts = pd.DataFrame(data=results_with_label[method], columns=CLASSES)
test_predicts["id"] = test_ids
test_predicts = test_predicts[["id"] + CLASSES]
now = datetime.datetime.now().strftime('%Y_%m_%d_%H_%M_%S')
embedding_size = re.findall('[(cbow)|(skip)]-(\d+)-',args.embedding_path)[0]
parameters = "{}-emb-{}-batch_size-{}-sen_len-{}-RUNIT-{}-dense_s-{}".format(
method,
embedding_size,
args.batch_size,
args.sentences_length,
args.recurrent_units,
args.dense_size
)
submit_path = os.path.join(args.result_path, "{}_{}_submission_lstm_{}.csv".format(parameters, now, validation_scores))
test_predicts.to_csv(submit_path, index=False)
def main():
parser = argparse.ArgumentParser(
description=
"Recurrent neural network for identifying and classifying toxic online comments"
)
parser.add_argument("train_file_path")
parser.add_argument("test_file_path")
parser.add_argument("embedding_path")
parser.add_argument("--result-path", default="toxic_results")
parser.add_argument("--batch-size", type=int, default=256)
parser.add_argument("--sentences-length", type=int, default=500)
parser.add_argument("--recurrent-units", type=int, default=64)
parser.add_argument("--dropout-rate", type=float, default=0.3)
parser.add_argument("--dense-size", type=int, default=32)
parser.add_argument("--fold-count", type=int, default=10)
# parser.add_argument("train_file_path")
# parser.add_argument("test_file_path")
# parser.add_argument("embedding_path")
# parser.add_argument("--result-path", default="toxic_results")
# parser.add_argument("--batch-size", type=int, default=32)
# parser.add_argument("--sentences-length", type=int, default=200)
# parser.add_argument("--recurrent-units", type=int, default=80)
# parser.add_argument("--dropout-rate", type=float, default=0.3)
# parser.add_argument("--dense-size", type=int, default=32)
# parser.add_argument("--fold-count", type=int, default=10)
args = parser.parse_args()
if args.fold_count <= 1:
raise ValueError("fold-count should be more than 1")
print("Loading data...")
train_data = pd.read_csv(args.train_file_path)
test_data = pd.read_csv(args.test_file_path)
list_sentences_train = train_data["comment_text"].fillna(NAN_WORD).values
list_sentences_test = test_data["comment_text"].fillna(NAN_WORD).values
y_train = train_data[CLASSES].values
print("Tokenizing sentences in train set...")
tokenized_sentences_train, words_dict = tokenize_sentences(
list_sentences_train, {})
print("Tokenizing sentences in test set...")
tokenized_sentences_test, words_dict = tokenize_sentences(
list_sentences_test, words_dict)
words_dict[UNKNOWN_WORD] = len(words_dict)
print("Loading embeddings...")
embedding_list, embedding_word_dict = read_embedding_list(
args.embedding_path)
embedding_size = len(embedding_list[0])
print("Preparing data...")
embedding_list, embedding_word_dict = clear_embedding_list(
embedding_list, embedding_word_dict, words_dict)
embedding_word_dict[UNKNOWN_WORD] = len(embedding_word_dict)
embedding_list.append([0.] * embedding_size)
embedding_word_dict[END_WORD] = len(embedding_word_dict)
embedding_list.append([-1.] * embedding_size)
embedding_matrix = np.array(embedding_list)
id_to_word = dict((id, word) for word, id in words_dict.items())
train_list_of_token_ids = convert_tokens_to_ids(tokenized_sentences_train,
id_to_word,
embedding_word_dict,
args.sentences_length)
test_list_of_token_ids = convert_tokens_to_ids(tokenized_sentences_test,
id_to_word,
embedding_word_dict,
args.sentences_length)
X_train = np.array(train_list_of_token_ids)
X_test = np.array(test_list_of_token_ids)
get_model_func = lambda: get_model(embedding_matrix, args.sentences_length,
args.dropout_rate, args.recurrent_units,
args.dense_size)
import gc
del train_data, test_data, list_sentences_train, list_sentences_test
del tokenized_sentences_train, tokenized_sentences_test, words_dict
del embedding_list, embedding_word_dict
del train_list_of_token_ids, test_list_of_token_ids
gc.collect()
print("Starting to train models...")
models = train_folds(X_train, y_train, X_test, args.fold_count,
args.batch_size, get_model_func)
def main():
parser = argparse.ArgumentParser(
description=
"Recurrent neural network for identifying and classifying toxic online comments"
)
parser.add_argument("train_file_path")
parser.add_argument("test_file_path")
parser.add_argument("embedding_path")
parser.add_argument("--result-path", default="toxic_results")
parser.add_argument("--batch-size", type=int, default=256)
parser.add_argument("--sentences-length", type=int, default=500)
parser.add_argument("--recurrent-units", type=int, default=64)
parser.add_argument("--dropout-rate", type=float, default=0.3)
parser.add_argument("--dense-size", type=int, default=32)
parser.add_argument("--fold-count", type=int, default=10)
parser.add_argument("--aug-count", type=int, default=1)
args = parser.parse_args()
if args.fold_count <= 1:
raise ValueError("fold-count should be more than 1")
print("Loading data...")
train_data = pd.read_csv(args.train_file_path)
test_data = pd.read_csv(args.test_file_path)
embed_path = os.path.join(args.embedding_path, 'embeddings.npz')
data = np.load(embed_path)
embedding_matrix = data['arr_0']
data_path = os.path.join(args.embedding_path, 'train.npz')
data = np.load(data_path)
X_train = data['arr_0']
data_path = os.path.join(args.embedding_path, 'test.npz')
data = np.load(data_path)
X_test = data['arr_0']
data_path = os.path.join(args.embedding_path, 'label.npz')
data = np.load(data_path)
y_train = data['arr_0']
get_model_func = lambda: get_LSTMGRU_GlobalMaxAve(
embedding_matrix, args.sentences_length, args.dropout_rate, args.
recurrent_units, args.dense_size)
print("Starting to train models...")
models, train_preds = train_folds(X_train,
y_train,
args.fold_count,
args.batch_size,
get_model_func,
aug=args.aug_count)
if not os.path.exists(args.result_path):
os.mkdir(args.result_path)
print("Predicting results...")
test_predicts_list = []
for fold_id, model in enumerate(models):
model_path = os.path.join(args.result_path,
"model{0}_weights.npy".format(fold_id))
np.save(model_path, model.get_weights())
test_predicts_path = os.path.join(
args.result_path, "test_predicts{0}.npy".format(fold_id))
test_predicts = model.predict(X_test, batch_size=args.batch_size)
test_predicts_list.append(test_predicts)
np.save(test_predicts_path, test_predicts)
test_predicts = np.ones(test_predicts_list[0].shape)
for fold_predict in test_predicts_list:
test_predicts *= fold_predict
test_predicts **= (1. / len(test_predicts_list))
test_predicts **= PROBABILITIES_NORMALIZE_COEFFICIENT
test_ids = test_data["id"].values
test_ids = test_ids.reshape((len(test_ids), 1))
test_predicts = pd.DataFrame(data=test_predicts, columns=CLASSES)
test_predicts["id"] = test_ids
test_predicts = test_predicts[["id"] + CLASSES]
submit_path = os.path.join(args.result_path, "submit")
test_predicts.to_csv(submit_path, index=False)
train_ids = train_data["id"].values
train_ids = train_ids.reshape((len(train_ids), 1))
train_predicts = pd.DataFrame(data=train_preds, columns=CLASSES)
train_predicts["id"] = train_ids
train_predicts = train_predicts[["id"] + CLASSES]
valid_path = os.path.join(args.result_path, "valid")
train_predicts.to_csv(valid_path, index=False)
def main():
parser = argparse.ArgumentParser(
description=
"Recurrent neural network for identifying and classifying toxic online comments"
)
parser.add_argument("train_file_path")
parser.add_argument("test_file_path")
parser.add_argument("embedding_path")
parser.add_argument("--result-path", default="toxic_results")
parser.add_argument("--batch-size", type=int, default=256)
parser.add_argument("--sentences-length", type=int, default=500)
parser.add_argument("--recurrent-units", type=int, default=64)
parser.add_argument("--dropout-rate", type=float, default=0.3)
parser.add_argument("--dense-size", type=int, default=32)
parser.add_argument("--fold-count", type=int, default=10)
args = parser.parse_args()
if args.fold_count <= 1:
raise ValueError("fold-count should be more than 1")
print("Loading data...")
train_data = pd.read_csv(args.train_file_path)
test_data = pd.read_csv(args.test_file_path)
# Identify language
#train_data['language'] = train_data['comment_text'].apply(detect_language)
#test_data['language'] = test_data['comment_text'].apply(detect_language)
# Translate the non-english to the english.
#train_data['comment_text'] = train_data.apply(lambda x: translate(x.comment_text, x.language),axis=1)
#test_data['comment_text'] = test_data.apply(lambda x: translate(x.comment_text, x.language),axis=1)
#train_data.to_csv("train_data_translated.csv")
#test_data.to_csv("test_data_translated.csv")
#train_data['comment_text'] = train_data.apply(lambda x: clean(x.comment_text), axis=1)
#train_data['comment_text'] = train_data.apply(lambda x: clean(x.comment_text), axis=1)
#train_data.to_csv("train_data_cleaned_after_translate.csv")
#test_data.to_csv("test_data_cleaned_after_translate.csv")
list_sentences_train = train_data["comment_text"].fillna(NAN_WORD).values
list_sentences_test = test_data["comment_text"].fillna(NAN_WORD).values
y_train = train_data[CLASSES].values
print("Tokenizing sentences in train set...")
tokenized_sentences_train, words_dict = tokenize_sentences(
list_sentences_train, {})
print("Tokenizing sentences in test set...")
tokenized_sentences_test, words_dict = tokenize_sentences(
list_sentences_test, words_dict)
words_dict[UNKNOWN_WORD] = len(words_dict)
print("Loading embeddings...")
embedding_list, embedding_word_dict = read_embedding_list(
args.embedding_path)
embedding_size = len(embedding_list[0])
print("Preparing data...")
embedding_list, embedding_word_dict = clear_embedding_list(
embedding_list, embedding_word_dict, words_dict)
embedding_word_dict[UNKNOWN_WORD] = len(embedding_word_dict)
embedding_list.append([0.] * embedding_size)
embedding_word_dict[END_WORD] = len(embedding_word_dict)
embedding_list.append([-1.] * embedding_size)
embedding_matrix = np.array(embedding_list)
embedding_matrix_path = os.path.join(args.result_path,
"embedding_matrix.npy")
np.save(embedding_matrix_path, embedding_matrix)
words_dict_path = os.path.join(args.result_path, "words_dict.npy")
np.save(words_dict_path, words_dict)
id_to_word = dict((id, word) for word, id in words_dict.items())
train_list_of_token_ids = convert_tokens_to_ids(tokenized_sentences_train,
id_to_word,
embedding_word_dict,
args.sentences_length)
test_list_of_token_ids = convert_tokens_to_ids(tokenized_sentences_test,
id_to_word,
embedding_word_dict,
args.sentences_length)
X_train = np.array(train_list_of_token_ids)
X_test = np.array(test_list_of_token_ids)
print(embedding_matrix.shape)
print(embedding_matrix.shape[0])
print(embedding_matrix.shape[1])
get_model_func = lambda: get_model(embedding_matrix, args.sentences_length,
args.dropout_rate, args.recurrent_units,
args.dense_size)
print("Starting to train models...")
models = train_folds(X_train, y_train, args.fold_count, args.batch_size,
get_model_func)
if not os.path.exists(args.result_path):
os.mkdir(args.result_path)
print("Predicting results...")
test_predicts_list = []
for fold_id, model in enumerate(models):
model_path = os.path.join(args.result_path,
"model{0}_weights.npy".format(fold_id))
np.save(model_path, model.get_weights())
model.save_weights("model{0}_weights.h5".format(fold_id))
test_predicts_path = os.path.join(
args.result_path, "test_predicts{0}.npy".format(fold_id))
test_predicts = model.predict(X_test, batch_size=args.batch_size)
test_predicts_list.append(test_predicts)
np.save(test_predicts_path, test_predicts)
test_predicts = np.ones(test_predicts_list[0].shape)
for fold_predict in test_predicts_list:
test_predicts *= fold_predict
test_predicts **= (1. / len(test_predicts_list))
test_predicts **= PROBABILITIES_NORMALIZE_COEFFICIENT
test_ids = test_data["id"].values
test_ids = test_ids.reshape((len(test_ids), 1))
test_predicts = pd.DataFrame(data=test_predicts, columns=CLASSES)
test_predicts["id"] = test_ids
test_predicts = test_predicts[["id"] + CLASSES]
submit_path = os.path.join(args.result_path, "submit")
test_predicts.to_csv(submit_path, index=False)
print("Predicting Discussion posts...")
posts = pd.read_csv("posts_cleaned.csv")
posts = posts.dropna()
discussion_posts = posts['MSG_TEXT'].tolist()
tokenized_discussion_posts, words_dict = tokenize_sentences(
discussion_posts, words_dict)
#id_to_word = dict((id, word) for word, id in words_dict.items())
discussion_list_of_token_ids = convert_tokens_to_ids(
tokenized_discussion_posts, id_to_word, embedding_word_dict,
args.sentences_length)
X_test = np.array(discussion_list_of_token_ids)
discussion_predict_list = []
for fold_id, model in enumerate(models):
discussion_predicts = model.predict(X_test, batch_size=args.batch_size)
discussion_predict_list.append(discussion_predicts)
discussion_predicts = np.ones(discussion_predict_list[0].shape)
for fold_predict in discussion_predict_list:
discussion_predicts *= fold_predict
discussion_predicts **= (1. / len(discussion_predict_list))
discussion_predicts **= PROBABILITIES_NORMALIZE_COEFFICIENT
discussion_predicts = pd.DataFrame(data=discussion_predicts,
columns=CLASSES)
discussion_predicts['MSG_TEXT'] = discussion_posts
discussion_predicts = discussion_predicts[["MSG_TEXT"] + CLASSES]
discussion_predicts_path = os.path.join(args.result_path,
"discussion_predicts.csv")
discussion_predicts.to_csv(discussion_predicts_path, index=False)
def main():
parser = argparse.ArgumentParser(
description=
"Recurrent neural network for identifying and classifying toxic online comments"
)
parser.add_argument("train_file_path")
parser.add_argument("test_file_path")
parser.add_argument("embedding_path")
parser.add_argument("--result-path", default="toxic_results")
parser.add_argument("--batch-size", type=int, default=256)
parser.add_argument("--sentences-length", type=int, default=500)
parser.add_argument("--recurrent-units", type=int, default=64)
parser.add_argument("--dropout-rate", type=float, default=0.3)
parser.add_argument("--dense-size", type=int, default=32)
parser.add_argument("--fold-count", type=int, default=10)
parser.add_argument("--modelname-prefix", type=str, default="")
parser.add_argument("--cv", type=str, default="True")
parser.add_argument("--use-roc", type=str, default="False")
args = parser.parse_args()
if args.fold_count <= 1:
raise ValueError("fold-count should be more than 1")
print('Input params')
print(args)
start = time.time()
print('#' * 50)
print("Loading data...")
print('#' * 50)
if os.path.exists(
os.path.join(
args.result_path,
'tokenized_sentences_train.pkl')) and os.path.exists(
os.path.join(
args.result_path,
'tokenized_sentences_train.pkl')) and os.path.exists(
os.path.join(args.result_path,
'tokenized_sentences_train.pkl')):
print('Preprocessed files found. Reading preprocess files')
train_data = pd.read_csv(args.train_file_path)
test_data = pd.read_csv(args.test_file_path)
y_train = train_data[CLASSES].values
with open(
os.path.join(args.result_path,
'tokenized_sentences_train.pkl'), 'rb') as f:
tokenized_sentences_train = pickle.load(f)
with open(
os.path.join(args.result_path, 'tokenized_sentences_test.pkl'),
'rb') as f:
tokenized_sentences_test = pickle.load(f)
with open(os.path.join(args.result_path, 'words_dict.pkl'), 'rb') as f:
words_dict = pickle.load(f)
else:
print('Preprocessed files not found.')
train_data = pd.read_csv(args.train_file_path)
test_data = pd.read_csv(args.test_file_path)
list_sentences_train = train_data["comment_text"].fillna(
NAN_WORD).values
list_sentences_test = test_data["comment_text"].fillna(NAN_WORD).values
y_train = train_data[CLASSES].values
print('#' * 50)
print("Tokenizing sentences in train set...")
print('#' * 50)
tokenized_sentences_train, words_dict = tokenize_sentences(
list_sentences_train, {})
print('#' * 50)
print("Tokenizing sentences in test set...")
print('#' * 50)
tokenized_sentences_test, words_dict = tokenize_sentences(
list_sentences_test, words_dict)
print('Saving preprocess files...')
with open(
os.path.join(args.result_path,
'tokenized_sentences_train.pkl'), 'wb') as f:
pickle.dump(tokenized_sentences_train, f)
with open(
os.path.join(args.result_path, 'tokenized_sentences_test.pkl'),
'wb') as f:
pickle.dump(tokenized_sentences_test, f)
with open(os.path.join(args.result_path, 'words_dict.pkl'), 'wb') as f:
pickle.dump(words_dict, f)
print('total words', len(words_dict))
words_dict[UNKNOWN_WORD] = len(words_dict)
print('#' * 50)
print("Loading embeddings...")
print('#' * 50)
if 'glove' in args.embedding_path:
print('Reading Glove embedding')
embedding_list, embedding_word_dict = read_embedding_list_glove(
args.embedding_path)
else:
print('Reading Fasttext embedding')
embedding_list, embedding_word_dict = read_embedding_list(
args.embedding_path)
embedding_size = len(embedding_list[0])
print('Embedding size', embedding_size)
print('#' * 50)
print("Preparing data...")
print('#' * 50)
embedding_list, embedding_word_dict = clear_embedding_list(
embedding_list, embedding_word_dict, words_dict)
embedding_word_dict[UNKNOWN_WORD] = len(embedding_word_dict)
embedding_list.append([0.] * embedding_size)
embedding_word_dict[END_WORD] = len(embedding_word_dict)
embedding_list.append([-1.] * embedding_size)
embedding_matrix = np.array(embedding_list)
print('Embedding matrix shape:', embedding_matrix.shape)
id_to_word = dict((id, word) for word, id in words_dict.items())
train_list_of_token_ids = convert_tokens_to_ids(tokenized_sentences_train,
id_to_word,
embedding_word_dict,
args.sentences_length)
test_list_of_token_ids = convert_tokens_to_ids(tokenized_sentences_test,
id_to_word,
embedding_word_dict,
args.sentences_length)
X_train = np.array(train_list_of_token_ids)
X_test = np.array(test_list_of_token_ids)
# GRU cross validation
# get_model_func = lambda: get_model(
# embedding_matrix,
# args.sentences_length,
# args.dropout_rate,
# args.recurrent_units,
# args.dense_size)
# GRU maxpool, avgpool
# get_model_func = lambda: get_model_pool(
# embedding_matrix,
# args.sentences_length,
# args.dropout_rate,
# args.recurrent_units,
# args.dense_size)
# deepmoji style
# get_model_func = lambda: get_model_deepmoji_style(
# embedding_matrix,
# args.sentences_length,
# args.dropout_rate,
# args.recurrent_units,
# args.dense_size)
# GRU maxpool, avgpool validation
# get_model_func = lambda: get_gru_model(
# embedding_matrix,
# args.sentences_length,
# args.dropout_rate,
# args.recurrent_units,
# args.dense_size)
# GRU maxpool, avgpool + cnn validation
# get_model_func = lambda: get_model_pool_gru_cnn(
# embedding_matrix,
# args.sentences_length,
# args.dropout_rate,
# args.recurrent_units,
# args.dense_size)
# dpcnn validation
get_model_func = lambda: get_dpcnn_model(
embedding_matrix, args.sentences_length, args.dropout_rate, args.
dense_size)
# lstm with attention cross val
# get_model_func = lambda: get_model_att_lstm(
# embedding_matrix,
# args.sentences_length,
# args.dropout_rate,
# args.recurrent_units,
# args.dense_size)
# capsule net
# get_model_func = lambda: get_capsnet_model(
# embedding_matrix,
# args.sentences_length,
# args.dropout_rate,
# args.recurrent_units,
# args.dense_size)
print('#' * 50)
print("Starting to train models...")
print('#' * 50)
models = train_folds(X_train, y_train, args.fold_count, args.batch_size,
get_model_func, args.cv, args.use_roc)
if not os.path.exists(args.result_path):
os.mkdir(args.result_path)
print('#' * 50)
print("Predicting results...")
print('#' * 50)
if args.cv == "True":
test_predicts_list = []
for fold_id, model in enumerate(models):
model_path = os.path.join(
args.result_path,
"{0}_model{1}_weights.npy".format(args.modelname_prefix,
fold_id))
np.save(model_path, model.get_weights())
test_predicts_path = os.path.join(
args.result_path,
"{0}_test_predicts{1}.npy".format(args.modelname_prefix,
fold_id))
test_predicts = model.predict(X_test,
batch_size=args.batch_size * 2)
test_predicts_list.append(test_predicts)
np.save(test_predicts_path, test_predicts)
test_predicts = np.ones(test_predicts_list[0].shape)
for fold_predict in test_predicts_list:
test_predicts *= fold_predict
test_predicts **= (1. / len(test_predicts_list))
# test_predicts **= PROBABILITIES_NORMALIZE_COEFFICIENT
test_ids = test_data["id"].values
test_ids = test_ids.reshape((len(test_ids), 1))
test_predicts = pd.DataFrame(data=test_predicts, columns=CLASSES)
test_predicts["id"] = test_ids
test_predicts = test_predicts[["id"] + CLASSES]
submit_path = os.path.join(args.result_path,
"{}_submit".format(args.modelname_prefix))
test_predicts.to_csv(submit_path, index=False)
print('#' * 50)
print('Prediction Completed...')
print('#' * 50)
total_time = time.time() - start
mins, sec = divmod(total_time, 60)
hrs, mins = divmod(mins, 60)
print('Total time taken : {:.0f}h {:.0f}m {:.0f}s'.format(
hrs, mins, sec))
else:
print('No Cross Validation')
test_predicts = models.predict(X_test, batch_size=args.batch_size * 2)
test_ids = test_data["id"].values
test_ids = test_ids.reshape((len(test_ids), 1))
test_predicts = pd.DataFrame(data=test_predicts, columns=CLASSES)
test_predicts["id"] = test_ids
test_predicts = test_predicts[["id"] + CLASSES]
submit_path = os.path.join(
args.result_path, "{}_submit_nocv".format(args.modelname_prefix))
test_predicts.to_csv(submit_path, index=False)
total_time = time.time() - start
mins, sec = divmod(total_time, 60)
hrs, mins = divmod(mins, 60)
print('Total time taken : {:.0f}h {:.0f}m {:.0f}s'.format(
hrs, mins, sec))