def topic_word_vectorizer(data=SST_KAGGLE):
lda = load_lda(data=data)
train_doc, _, test_doc = read_sst_kaggle_pickle(use_textblob=True)
docs = train_doc + test_doc
corpus = MyCorpus(documents=docs)
count = 0
input_sent = []
for doc in docs:
bow_vec = corpus.dictionary.doc2bow(doc)
topics = lda[bow_vec]
if len(topics) == 50:
count += 1
print count
def topic_vectorizer(data=SST_KAGGLE):
lda = load_lda(data=data)
train_doc, _, test_doc = read_sst_kaggle_pickle(use_textblob=True)
docs = train_doc + test_doc
corpus = MyCorpus(documents=docs)
input_sent = []
for doc in docs:
bow_vec = corpus.dictionary.doc2bow(doc)
dict_vec = dict(lda[bow_vec])
input_sent.append(dict_vec)
print "vectorizing topic probabilities..."
dv = DictVectorizer()
all_x = dv.fit_transform(input_sent)
train_len = len(train_doc)
train_x = all_x[:train_len]
test_x = all_x[train_len:]
return train_x.toarray(), test_x.toarray()
