def load_w2v(w2vdim):
# return {}
model_path = '../data/emory_w2v/w2v-%d.bin' % w2vdim
model = Word2Vec.load_word2vec_format(model_path, binary=True)
print("The vocabulary size is: " + str(len(model.vocab)))
return model
def load_w2v():
model_path = '../data/word2vec_twitter_model/word2vec_twitter_model.bin'
with Timer("load w2v"):
model = Word2Vec.load_word2vec_format(model_path, binary=True)
print("The vocabulary size is: " + str(len(model.vocab)))
return model
def load_w2v(w2vdim):
# return {}
model_path = '../data/emory_w2v/w2v-%d.bin' % w2vdim
model = Word2Vec.load_word2vec_format(model_path, binary=True)
print("The vocabulary size is: " + str(len(model.vocab)))
return model
def load_w2v():
model_path = '/Users/bong/works/data/word2vec_twitter_model/word2vec_twitter_model.bin'
with Timer("load w2v"):
model = Word2Vec.load_word2vec_format(model_path, binary=True)
print("The vocabulary size is: " + str(len(model.vocab)))
return model
def load_word2vec(self, fname="../data/word2vec_twitter_model/word2vec_twitter_model.bin"):
"""
Loads the word vectors.
"""
model = Word2Vec.load_word2vec_format(fname, binary=True)
average_emb = np.mean( [ model[w] for w in model.vocab ], axis=0)
self.word_vectors =model
self.avg_embd = average_emb
def text_to_embeddings_store(model_path, input_file, output_file, vector_dimension):
"""
Takes an input_file and conby converts it to an output_file by replacing words with embedding vectors based on the model at model_path
"""
# TODO: Refactor to call to text_to_embeddings
#model_path = args.model_path_
print("Loading the model, this can take some time...")
model = Word2Vec.load_word2vec_format(model_path, binary=True)
print("Loafing spaCy model, this can take some time...")
nlp=English()
#print(("The vocabulary size is: "+str(len(model.vocab))))
#print("Vector for 'Shubham': " + str(model['Shubham']))
#print("Embedding dimension: " + str(len(model['Shubham'])))
#f1=open("embedding_vectors_400.txt","w")
f1=open(output_file,'w')
zero = np.zeros((vector_dimension,), dtype=np.float)
#Specify encoding with io.open (careful io.open is slow, don't use for large files)
#latin-1 is usually the culprit if the files aren't utf-8 encoded
#with io.open("dataset_latin-1.txt", "r", encoding='latin-1') as f:
count=0
max_length=0
with io.open(input_file, "r", encoding='utf-8') as f:
for line in f:
#spaCy would do this better :)
#row=line.split()
doc = nlp(line)
arr = []
#for i in range(0,len(doc)):
for token in doc:
try:
embedding = model[token.text]
#print("Success for:\t" + token.text)
except KeyError:
#print("Fail for:\t" + token.text)
#TODO: set embedding to zero vector instead of continue
embedding = zero
#temp=str(model[row[i]])
#temp.replace('\n',' ')
#f1.write(temp)
arr.append(embedding)
#TODO: write as one line using join method
#f1.write(str(embedding))
#f1.write(" ")
rows,cols=np.shape(arr)
if rows==0: #ignore the tweet if out of vocabulary and take the control to the beginning of the loop
count=count+1
continue
temp = arr[0]
if (rows>max_length): # maximum words in a sentence
max_length=rows
for i in range(1,rows):
temp=np.concatenate((temp,arr[i]),axis=0)
rand=' '.join(map(str,temp))
f1.write(rand)
f1.write("\n")
print("There are"+str(count)+"out of vocabulary sentences.")
print(max_length)
return max_length
def load_w2v(w2vdim, sample_test=True):
if sample_test:
return {'a': np.array([np.float32(0.0)] * w2vdim)}
else:
model_path = '../data/emory_w2v/w2v-%d.bin' % w2vdim
with Timer("load w2v"):
model = Word2Vec.load_word2vec_format(model_path, binary=True)
print("The vocabulary size is: " + str(len(model.vocab)))
return model
def load_w2v(w2vdim, sample_test=True):
if sample_test:
return {'a': np.array([np.float32(0.0)] * w2vdim)}
else:
model_path = '../data/emory_w2v/w2v-%d.bin' % w2vdim
with Timer("load w2v"):
model = Word2Vec.load_word2vec_format(model_path, binary=True)
print("The vocabulary size is: " + str(len(model.vocab)))
return model
def load_embeddings(filename, binary=False):
if "word2vec_twitter_model.bin" not in filename:
model = gensim.models.Word2Vec.load_word2vec_format(filename, binary=binary)
else:
from word2vecReader import Word2Vec
model = Word2Vec.load_word2vec_format(filename, binary=True)
w2v = dict()
vocabs = model.vocab.keys()
print("Vocabulary size before pre-processing: %s." % len(vocabs))
for key in model.vocab.keys():
w2v[key] = model[key]
return w2v
def load_embeddings(filename, binary=False):
if "word2vec_twitter_model.bin" not in filename:
model = gensim.models.Word2Vec.load_word2vec_format(filename,
binary=binary)
else:
from word2vecReader import Word2Vec
model = Word2Vec.load_word2vec_format(filename, binary=True)
w2v = dict()
vocabs = model.vocab.keys()
print("Vocabulary size before pre-processing: %s." % len(vocabs))
for key in model.vocab.keys():
w2v[key] = model[key]
return w2v
def train_word2vec(
self,
domain_corpus,
feature_length,
sg=1,
min_count=5,
workers=3
):
"""
Trains the word2vec model on a corpus, by default using the skip-gram
model.
"""
tokenized = [ twokenize.tokenize(text) for text in domain_corpus ]
model = Word2Vec(tokenized, min_count=min_count, sg=1, workers=workers)
word_vectors = model.wv
del model
self.word_vectors = word_vectors
def load_model(pretrained=True):
import os
os.chdir(
'/Users/lukasmalik/Desktop/Praktikum CSH/project-internship/scripts')
import datetime
start_time = datetime.datetime.now()
if pretrained == True:
import os
import sys
from word2vecReader import Word2Vec
os.environ['PYTHONINSPECT'] = 'True'
model_path = "../models/word2vec_twitter_model.bin"
print("Loading the model, this can take some time...")
model = Word2Vec.load_word2vec_format(model_path, binary=True)
print("The vocabulary size is: " + str(len(model.vocab)))
print("--- %s seconds ---" % (datetime.datetime.now() - start_time))
return (model)
#!/usr/bin/env python
import os
import sys
from word2vecReader import Word2Vec
os.environ['PYTHONINSPECT'] = 'True'
model_path = "./word2vec_twitter_model.bin"
print("Loading the model, this can take some time...")
model = Word2Vec.load_word2vec_format(model_path, binary=True)
print("The vocabulary size is: " + str(len(model.vocab)))
word_index = tokenizer.word_index
print('Total %s unique tokens.' % len(word_index))
single_label = np.asarray(labels)
labels = to_categorical(np.asarray(labels))
print('Shape of data tensor:', data.shape)
print('Shape of label tensor:', labels.shape)
###standardize
timeInfo = preprocessing.StandardScaler().fit_transform(timeInfo)
postInfo = preprocessing.StandardScaler().fit_transform(postInfo)
HAN_pre = []
HAN_reca = []
HAN_f1 = []
HAN_AUC = []
embeddings_index = Word2Vec.load_word2vec_format("word2vec_twitter_model.bin",
binary=True) #
# print('Total %s word vectors.' % len(embeddings_index))
embedding_matrix = np.random.random((len(word_index) + 1, POST_DIM))
outword_dic = dict()
for word, i in word_index.items():
if word in embeddings_index.vocab:
embedding_vector = embeddings_index[word]
embedding_matrix[i] = embedding_vector
else:
new_vector = np.random.rand(POST_DIM, )
outword_dic.setdefault(word, new_vector)
embedding_matrix[i] = outword_dic[word]
for j in range(10):
indices = np.arange(data.shape[0])
word_index_test = tokenizer_test.word_index
print('Found %s unique tokens.' % len(word_index_test))
x_test = pad_sequences(sequences_test, maxlen=12)
print(x_test.shape)
all_sentences = text_
tokenizer = Tokenizer() # nb_words=MAX_NB_WORDS
tokenizer.fit_on_texts(all_sentences)
sequences = tokenizer.texts_to_sequences(all_sentences)
word_index = tokenizer.word_index
print('Found %s unique tokens.' % len(word_index))
x_train = pad_sequences(sequences)
print(x_train.shape)
model = Word2Vec.load_word2vec_format(
"/home/pengyuan/PycharmProjects/Multimodal_Study/Twitter_word2vec/word2vec_twitter_model.bin",
binary=True)
pretrained_weights = model.syn0
vocab_size, emdedding_size = pretrained_weights.shape
print(vocab_size, emdedding_size)
embedding_matrix = np.zeros((len(word_index) + 1, 400))
for word, i in word_index.items():
if word in model:
embedding_matrix[i] = model[word]
else:
embedding_matrix[i] = np.random.rand(1, 400)[0]
image_data = process_images(df)
print(image_data.shape)
image_data_test = process_images(df_2)
from __future__ import division
import sys
import numpy as np
from sklearn.linear_model import LogisticRegression
from sklearn.metrics import classification_report
from sklearn.cross_validation import train_test_split
from sklearn.preprocessing import scale
sys.path.append('models/word2vec_twitter_model')
from word2vecReader import Word2Vec
model_path = 'models/word2vec_twitter_model/word2vec_twitter_model.bin'
print 'Loading the model...'
model = Word2Vec.load_word2vec_format(model_path, binary=True)
def preprocess(text):
special_chars = """.,?!:;(){}[]#"""
for c in special_chars:
text = text.replace(c, ' %s '%c)
words = text.lower().split()
return words
def get_vector(text, model=model, size=400):
words = preprocess(text)
vec = np.zeros(size)
count = 0.
for word in words:
try:
vec += model[word]
def load_w2v():
model_path = '../data/word2vec_twitter_model/word2vec_twitter_model.bin'
model = Word2Vec.load_word2vec_format(model_path, binary=True)
print("The vocabulary size is: " + str(len(model.vocab)))
return model
