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REAL-TIME Twitter Analysis
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REAL-TIME Twitter Analysis
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from matplotlib import use
use("Agg")
import nltk
from nltk import sent_tokenize, word_tokenize, pos_tag
import matplotlib.pyplot as plt
from pylab import *
from bs4 import BeautifulSoup
import numpy as np
from nltk.stem import WordNetLemmatizer
import re
import pandas as pd
import time
import tweepy
from tweepy import OAuthHandler
from tweepy import Stream
from tweepy.streaming import StreamListener
import re
import matplotlib.animation as manimation
consumer_key = '12345'
consumer_secret = '12345'
access_token = '123-12345'
access_secret = '12345'
auth = OAuthHandler(consumer_key, consumer_secret)
auth.set_access_token(access_token, access_secret)
api = tweepy.API(auth)
term='trump'
number_tweets=20
t=0
fig=plt.figure(figsize=(8,6))
ax1 = fig.add_subplot(1,1,1)
FFMpegWriter = manimation.writers['ffmpeg']
metadata = dict(title='Real-Time Analysis of Twitter Streaming', artist='Rubens Zimbres',
comment='Real-Time Analysis of Twitter Streaming')
writer = FFMpegWriter(fps=2, metadata=metadata,bitrate=-1,codec="libx264",extra_args=['-pix_fmt', 'yuv420p'])
with writer.saving(fig, "Twitter_REAL_Time_40.mp4", 100):
while t<20:
t=t+1
data=[]
for status in tweepy.Cursor(api.search,q=term).items(number_tweets):
try:
URLless_string = re.sub(r'\w+:\/{2}[\d\w-]+(\.[\d\w-]+)*(?:(?:\/[^\s/]*))*', '', status.text)
data.append(URLless_string)
except:
pass
lemmatizer = WordNetLemmatizer()
text=data
sentences = sent_tokenize(str(text))
sentences2=sentences
tokens = word_tokenize(str(text))
tokens=[lemmatizer.lemmatize(tokens[i]) for i in range(0,len(tokens))]
tagged_tokens = pos_tag(tokens)
## NOUNS
text2 = word_tokenize(str(text))
is_noun = lambda pos: pos[:2] == 'NN'
b=nltk.pos_tag(text2)
nouns = [word for (word, pos) in nltk.pos_tag(text2) if is_noun(pos)]
V = set(nouns)
long_words1 = [w for w in tokens if 4<len(w) < 10]
fdist01 = nltk.FreqDist(long_words1)
a1=fdist01.most_common(40)
def lexical_diversity(text):
return len(set(text)) / len(text)
vocab = set(text)
vocab_size = len(vocab)
V = set(text)
long_words = [w for w in tokens if 4<len(w) < 13]
text2 = nltk.Text(word.lower() for word in long_words)
fdist1 = nltk.FreqDist(long_words)
a=fdist1.most_common(15)
import logging
logging.basicConfig(format='%(asctime)s : %(levelname)s : %(message)s', level=logging.INFO)
import matplotlib.pyplot as plt
from gensim import corpora
from string import punctuation
def strip_punctuation(s):
return ''.join(c for c in s if c not in punctuation)
documents=[strip_punctuation(re.sub(r'\w+:\/{2}[\d\w-]+(\.[\d\w-]+)*(?:(?:\/[^\s/]*))*', '',sentences2[i])) for i in range(0,len(sentences2))]
stoplist = set('for a of the and to in is the he she on i will it its us as that at who be '.split())
texts = [[word for word in document.lower().split() if word not in stoplist]
for document in long_words]
# remove words that appear only once
from collections import defaultdict
frequency = defaultdict(int)
for text in texts:
for token in text:
frequency[token] += 1
texts = [[token for token in text if frequency[token] > 1]
for text in texts]
dictionary = corpora.Dictionary(texts)
dictionary.save('/tmp/deerwester4.dict')
## VETOR DAS FRASES
corpus = [dictionary.doc2bow(text) for text in texts]
corpora.MmCorpus.serialize('/tmp/deerwester4.mm', corpus) # store to disk, for later use
from gensim import corpora, models, similarities
tfidf = models.TfidfModel(corpus) # step 1 -- initialize a model
corpus_tfidf = tfidf[corpus]
lsi = models.LsiModel(corpus_tfidf, id2word=dictionary, num_topics=2)
corpus_lsi = lsi[corpus_tfidf] # create a double wrapper over the original corpus: bow->tfidf->fold-in-lsi
## COORDENADAS DOS TEXTOS
todas=[]
for doc in corpus_lsi: # both bow->tfidf and tfidf->lsi transformations are actually executed here, on the fly
todas.append(doc)
from gensim import corpora, models, similarities
dictionary = corpora.Dictionary.load('/tmp/deerwester4.dict')
corpus = corpora.MmCorpus('/tmp/deerwester4.mm') # comes from the first tutorial, "From strings to vectors"
lsi = models.LsiModel(corpus, id2word=dictionary, num_topics=2)
p=[]
for i in range(0,len(documents)):
doc1 = documents[i]
vec_bow2 = dictionary.doc2bow(doc1.lower().split())
vec_lsi2 = lsi[vec_bow2] # convert the query to LSI space
p.append(vec_lsi2)
index = similarities.MatrixSimilarity(lsi[corpus]) # transform corpus to LSI space and index it
index.save('/tmp/deerwester4.index')
index = similarities.MatrixSimilarity.load('/tmp/deerwester4.index')
#################
import gensim
import numpy as np
import matplotlib.colors as colors
import matplotlib.cm as cmx
import matplotlib as mpl
matrix1 = gensim.matutils.corpus2dense(p, num_terms=4)
matrix3=matrix1.T
from sklearn import manifold, datasets, decomposition, ensemble,discriminant_analysis, random_projection
def norm(x):
return (x-np.min(x))/(np.max(x)-np.min(x))
X=norm(matrix3)
tsne = manifold.TSNE(n_components=2, init='pca', random_state=0,perplexity=50,verbose=1,n_iter=1500)
X_tsne = X
### WORK HERE - COMO DESCOBRI QUE TINHA 3 CLUSTERS ???? SORT X_tsne
## DEFINE K-MEANS
from sklearn.cluster import KMeans
model3=KMeans(n_clusters=4,random_state=0)
model3.fit(X_tsne)
cc=model3.predict(X_tsne)
## ALSO TRY COM X PARA VER QUE TOPICO SELECIONA
tokens2 = word_tokenize(str(sentences2))
tokens2=[lemmatizer.lemmatize(tokens2[i]) for i in range(0,len(tokens2))]
long_words12 = [w for w in tokens2 if len(w) > 5]
fdist012 = nltk.FreqDist(long_words12)
a12=fdist012.most_common(5)
from matplotlib.colors import LinearSegmentedColormap
n_classes=4
colors = [(1, 0, 0), (0, 1, 0), (0, 0, 1),(0,0,0)]
cm = LinearSegmentedColormap.from_list(
cc, colors, N=4)
cor=[colors[cc[i]] for i in range(0,len(cc))]
model = models.LdaModel(corpus, id2word=dictionary, num_topics=4)
### ACCUMULATE FEELINGS
from nltk.sentiment import SentimentAnalyzer
from nltk.sentiment.util import *
from nltk.sentiment.vader import SentimentIntensityAnalyzer as sia
sentim=sia()
cc0=[]
for sentence in documents:
cc0.append(sentim.polarity_scores(sentence))
neu=[]
neg=[]
for sentence in documents:
ss = sentim.polarity_scores(sentence)
for k in sorted(ss):
neg.append(ss[k])
neu.append(k)
f=int(len(neg)/4)
sent0=np.array(neu).reshape(f,4)
sent=np.array(neg).reshape(f,4)
comp0=sent.T[0]
comp=np.fliplr([comp0])[0]
positivos=len(np.where(np.array(comp)>0)[0])
neutros=len(np.where(np.array(comp)==0)[0])
negativos=len(np.where(np.array(comp)<0)[0])
time.sleep(1)
x = np.arange(0, len(comp), 1)
ax1.plot(np.cumsum(comp),linewidth=3,color='blue')
ax1.fill_between(x,np.cumsum(comp),0,where=np.cumsum(comp)<0,facecolor='red',alpha=.7)
ax1.fill_between(x,np.cumsum(comp),0,where=np.cumsum(comp)>0,facecolor='lawngreen',alpha=.7)
ax1.annotate('POSITIVE',(140,1.5),fontweight='bold')
ax1.annotate('NEGATIVE',(140,-3),fontweight='bold')
writer.grab_frame()
ax1.clear()
time.sleep(1.5)