Atulit23 commited on
Commit
3109432
1 Parent(s): 3e092ce

Upload folder using huggingface_hub

Browse files
.gitattributes CHANGED
@@ -33,3 +33,5 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
33
  *.zip filter=lfs diff=lfs merge=lfs -text
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  *.zst filter=lfs diff=lfs merge=lfs -text
35
  *tfevents* filter=lfs diff=lfs merge=lfs -text
 
 
 
33
  *.zip filter=lfs diff=lfs merge=lfs -text
34
  *.zst filter=lfs diff=lfs merge=lfs -text
35
  *tfevents* filter=lfs diff=lfs merge=lfs -text
36
+ doc2vec_model_opinion_corpus[[:space:]](1).d2v filter=lfs diff=lfs merge=lfs -text
37
+ weights.best.from_scratch1[[:space:]](1).hdf5 filter=lfs diff=lfs merge=lfs -text
README.md CHANGED
@@ -1,12 +1,6 @@
1
  ---
2
- title: Deceptive Rev
3
- emoji: 👁
4
- colorFrom: gray
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- colorTo: pink
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- sdk: gradio
7
- sdk_version: 4.16.0
8
  app_file: app.py
9
- pinned: false
 
10
  ---
11
-
12
- Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
 
1
  ---
2
+ title: deceptive-rev
 
 
 
 
 
3
  app_file: app.py
4
+ sdk: gradio
5
+ sdk_version: 3.44.4
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  ---
 
 
app.py ADDED
@@ -0,0 +1,263 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ from flask import Flask, redirect, render_template, request, jsonify
2
+ import requests
3
+ from datetime import datetime
4
+ import pandas as pd
5
+ import numpy as np
6
+ from gensim.models import Doc2Vec
7
+ import snowballstemmer, re
8
+ from bs4 import BeautifulSoup
9
+ import re, sys
10
+ from tensorflow.keras.models import load_model
11
+ import joblib
12
+ import gradio as gr
13
+
14
+ headers = {
15
+ 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36, Opera/9.80 (Windows NT 6.1; WOW64) Presto/2.12.388 Version/12.18'
16
+ }
17
+
18
+ app = Flask(__name__)
19
+
20
+ def getsoup(url):
21
+ response = requests.get(url, headers=headers)
22
+ Status_Code = response.status_code
23
+ print(url)
24
+ print(Status_Code)
25
+
26
+ if Status_Code == 200:
27
+ soup = BeautifulSoup(response.content, features="lxml")
28
+ else:
29
+ soup = getsoup(url)
30
+ return soup
31
+
32
+ def getLastPageNumber(soup, site):
33
+ pageNumber = []
34
+ if site == 'flipkart':
35
+ review_number = int(soup.find("span", "_2_R_DZ").text.strip().replace(',', '').split()[-2])
36
+ if review_number <=10:
37
+ lastPage = 1
38
+ else:
39
+ link = soup.find(attrs={"class": "_2MImiq _1Qnn1K"})
40
+ pageNumber = link.find('span').text.strip().replace(',', '').split()
41
+ lastPage1 = pageNumber[len(pageNumber)-1]
42
+ lastPage = int(lastPage1)
43
+ elif site == 'amazon':
44
+ review_number = int(soup.find("div", {"data-hook": "cr-filter-info-review-rating-count"}).text.strip().replace(',', '').split()[-3])
45
+ if review_number <=10:
46
+ lastPage = 1
47
+ else:
48
+ lastPage = review_number // 10
49
+ if lastPage > 500:
50
+ lastPage = 2
51
+ return lastPage
52
+
53
+
54
+ def geturllist(url, lastPage):
55
+ urllistPages = []
56
+ url = url[:-1]
57
+ for i in range(1,lastPage+1):
58
+ urllistPages.append (url + str(i))
59
+ return urllistPages
60
+
61
+
62
+ def getReviews(soup, site, url):
63
+ if site == 'flipkart':
64
+ #Extracting the Titles
65
+ title_sec = soup.find_all("p",'_2-N8zT')
66
+ title = []
67
+ for s in title_sec:
68
+ title.append(s.text)
69
+
70
+ author_sec = soup.find_all("p","_2sc7ZR _2V5EHH")
71
+ author = []
72
+ for r in author_sec:
73
+ author.append(r.text)
74
+
75
+ Review_text_sec = soup.find_all("div",'t-ZTKy')
76
+ text = []
77
+ for t in Review_text_sec:
78
+ text.append(t.text)
79
+
80
+ Rating = soup.find_all("div", {"class": ["_3LWZlK _1BLPMq", "_3LWZlK _32lA32 _1BLPMq", "_3LWZlK _1rdVr6 _1BLPMq"]})
81
+ rate = []
82
+ for d in Rating:
83
+ rate.append(d.text)
84
+
85
+ Date_sec = soup.find_all(lambda tag: tag.name == 'p' and tag.get('class') == ['_2sc7ZR'])
86
+ date = []
87
+ for d in Date_sec:
88
+ date.append(d.text)
89
+
90
+ help_sec = soup.find_all(lambda tag: tag.name == 'div' and tag.get('class') == ['_1LmwT9'])
91
+ help1 = []
92
+ for d in help_sec:
93
+ help1.append(d.text)
94
+
95
+ elif site == 'amazon':
96
+ n_ = 0
97
+ title_sec = soup.find_all(attrs={"data-hook": "review-title", "class": "a-size-base a-link-normal review-title a-color-base review-title-content a-text-bold"})
98
+ title = []
99
+ for s in title_sec:
100
+ title.append(s.text.replace('\n', ''))
101
+ n_ = len(title)
102
+
103
+ author_sec = soup.find_all(attrs = {"class": "a-profile-name"})
104
+ author = []
105
+ for r in author_sec:
106
+ author.append(r.text)
107
+ while(1):
108
+ if len(author) > n_:
109
+ author.pop(0)
110
+ else:
111
+ break
112
+
113
+ Review_text_sec = soup.find_all(attrs={"data-hook": "review-body", "class": "a-size-base review-text review-text-content"})
114
+ text = []
115
+ for t in Review_text_sec:
116
+ text.append(t.text.replace('\n', ''))
117
+
118
+ Rating = soup.find_all(attrs={"data-hook": "review-star-rating"})
119
+ rate = []
120
+ for d in Rating:
121
+ rate.append(d.text)
122
+
123
+ Date_sec = soup.find_all(attrs={"data-hook": "review-date"})
124
+ date = []
125
+ for d in Date_sec:
126
+ date.append(d.text)
127
+
128
+ help_sec = soup.find_all(attrs={"data-hook": "helpful-vote-statement"})
129
+ help1 = []
130
+ for d in help_sec:
131
+ help1.append(d.text.replace('\n ', ''))
132
+ while(1):
133
+ if len(help1) < n_:
134
+ help1.append(0)
135
+ else:
136
+ break
137
+
138
+ url1 = []
139
+ url1 = [url] * len(date)
140
+
141
+ collate = {'Date': date, 'URL': url1, 'Review_Title': title, 'Author': author, 'Rating': rate, 'Review_text': text, 'Review_helpful': help1}
142
+ collate_df = pd.DataFrame.from_dict(collate)
143
+ return collate_df
144
+
145
+
146
+ def preprocess_text(text):
147
+ stemmer = snowballstemmer.EnglishStemmer()
148
+ text = " ".join(stemmer.stemWords(re.sub('[!"#%\'()*+,-./:;<=>?@[\\]^_`{|}~1234567890’”“′‘\\\\]', ' ', text).split(' ')))
149
+ stop_words = set(["may", "also", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "across","among", "beside", "however", "yet", "within"] + list('abcdefghijklmnopqrstuvwxyz'))
150
+ stop_list = stemmer.stemWords(stop_words)
151
+ stop_words.update(stop_list)
152
+ text = " ".join(filter(None, filter(lambda word: word not in stop_words, text.lower().split(' '))))
153
+ return text.split(' ')
154
+
155
+ def vectorize_comments_(df, d2v_model):
156
+ y = []
157
+ comments = []
158
+ for i in range(0, len(df)):
159
+
160
+ print(i)
161
+ label = 'SENT_%s' %i
162
+ comments.append(d2v_model.docvecs[label])
163
+ return comments
164
+
165
+ def scraper(url):
166
+ df2 = []
167
+ soup = getsoup(url)
168
+ site = url.split('.')[1]
169
+ if site == 'flipkart':
170
+ url = url + '&page=1'
171
+ elif site == 'amazon':
172
+ url = url + '&pageNumber=1'
173
+ product = url.split('/')[3]
174
+ lastPage = 1
175
+ urllistPages = geturllist(url, lastPage)
176
+ x = 1
177
+ for url in urllistPages:
178
+ soup = getsoup(url)
179
+ df1 = getReviews(soup, site, url)
180
+ if x == 1:
181
+ df3 = []
182
+ df3 = df1
183
+ else:
184
+ df2 = df3
185
+ result = df2.append(df1, ignore_index=True)
186
+ df3 = result
187
+ x += 1
188
+
189
+ loaded_model = load_model('weights.best.from_scratch1 (1).hdf5')
190
+
191
+ preprocessed_arr = [preprocess_text(x) for x in list(df3['Review_text'])]
192
+
193
+ doc2vec_model = Doc2Vec.load("doc2vec_model_opinion_corpus (1).d2v")
194
+
195
+ textData = vectorize_comments_(preprocessed_arr, doc2vec_model)
196
+
197
+ textData_array = np.array(textData)
198
+
199
+ num_vectors = textData_array.shape[0]
200
+ textData_3d = textData_array.reshape((num_vectors, 1, -1))
201
+
202
+ new_shape = (textData_array.shape[0], 380, 512)
203
+
204
+ X_test3_reshaped = np.zeros(new_shape, dtype=textData_3d.dtype)
205
+ X_test3_reshaped[:, :textData_3d.shape[1], :textData_3d.shape[2]] = textData_3d
206
+
207
+ predictions = np.rint(loaded_model.predict(X_test3_reshaped))
208
+
209
+ argMax = []
210
+
211
+ for i in predictions:
212
+ argMax.append(np.argmax(i))
213
+
214
+ print(argMax)
215
+ print(list(df3['Review_text'])[3])
216
+
217
+ arr = []
218
+ for i, j in enumerate(argMax):
219
+ if j == 2 or j == 1:
220
+ arr.append(list(df3['Review_text'])[i])
221
+ return arr
222
+
223
+
224
+ # @app.route('/', methods=['GET'])
225
+ # def index():
226
+ # results = []
227
+ # if request.args.get('url'):
228
+ # results = scraper(request.args.get('url'))
229
+ # return results
230
+
231
+
232
+ # if __name__ == "__main__":
233
+ # app.run(debug=True)
234
+
235
+
236
+
237
+ def index():
238
+ results = []
239
+ if request.args.get('url'):
240
+ results = scraper(request.args.get('url'))
241
+ return results
242
+
243
+
244
+ inputs_image_url = [
245
+ gr.Textbox(type="text", label="Image URL"),
246
+ ]
247
+
248
+ outputs_result_dict = [
249
+ gr.Textbox(type="text", label="Result Dictionary"),
250
+ ]
251
+
252
+ interface_image_url = gr.Interface(
253
+ fn=index,
254
+ inputs=inputs_image_url,
255
+ outputs=outputs_result_dict,
256
+ title="Dark review detection",
257
+ cache_examples=False,
258
+ )
259
+
260
+ gr.TabbedInterface(
261
+ [interface_image_url],
262
+ tab_names=['Reviews inference']
263
+ ).queue().launch()
doc2vec_model_opinion_corpus (1).d2v ADDED
@@ -0,0 +1,3 @@
 
 
 
 
1
+ version https://git-lfs.github.com/spec/v1
2
+ oid sha256:deabad8d2bf4677f8f6f7069da1f928f6ce1fe45722f0839c99a2615f37f28ea
3
+ size 29196813
init.py ADDED
@@ -0,0 +1,239 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ import pandas as pd
2
+ import numpy as np
3
+ from string import ascii_lowercase
4
+ from gensim.models import Doc2Vec
5
+ from gensim.models import doc2vec
6
+ from gensim.models import KeyedVectors
7
+ import snowballstemmer, re
8
+ import requests
9
+ from bs4 import BeautifulSoup
10
+ import re, sys
11
+ from tensorflow.keras.models import load_model
12
+ import joblib
13
+
14
+ headers = {
15
+ 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36, Opera/9.80 (Windows NT 6.1; WOW64) Presto/2.12.388 Version/12.18'
16
+ }
17
+
18
+ def getsoup(url):
19
+ response = requests.get(url, headers=headers)
20
+ Status_Code = response.status_code
21
+ print(url)
22
+ print(Status_Code)
23
+
24
+ if Status_Code == 200:
25
+ soup = BeautifulSoup(response.content, features="lxml")
26
+ else:
27
+ soup = getsoup(url)
28
+ return soup
29
+
30
+ #Get Last Page number
31
+ def getLastPageNumber(soup, site):
32
+ pageNumber = []
33
+ if site == 'flipkart':
34
+ review_number = int(soup.find("span", "_2_R_DZ").text.strip().replace(',', '').split()[-2])
35
+ if review_number <=10:
36
+ lastPage = 1
37
+ else:
38
+ link = soup.find(attrs={"class": "_2MImiq _1Qnn1K"})
39
+ pageNumber = link.find('span').text.strip().replace(',', '').split()
40
+ lastPage1 = pageNumber[len(pageNumber)-1]
41
+ lastPage = int(lastPage1)
42
+ elif site == 'amazon':
43
+ review_number = int(soup.find("div", {"data-hook": "cr-filter-info-review-rating-count"}).text.strip().replace(',', '').split()[-3])
44
+ if review_number <=10:
45
+ lastPage = 1
46
+ else:
47
+ lastPage = review_number // 10
48
+ if lastPage > 500:
49
+ lastPage = 2
50
+ return lastPage
51
+
52
+
53
+ def geturllist(url, lastPage):
54
+ urllistPages = []
55
+ url = url[:-1]
56
+ for i in range(1,lastPage+1):
57
+ urllistPages.append (url + str(i))
58
+ return urllistPages
59
+
60
+
61
+ def getReviews(soup, site, url):
62
+ if site == 'flipkart':
63
+ #Extracting the Titles
64
+ title_sec = soup.find_all("p",'_2-N8zT')
65
+ title = []
66
+ for s in title_sec:
67
+ title.append(s.text)
68
+
69
+ #Extracting the Author names
70
+ author_sec = soup.find_all("p","_2sc7ZR _2V5EHH")
71
+ author = []
72
+ for r in author_sec:
73
+ author.append(r.text)
74
+
75
+ #Extracting the Text
76
+ Review_text_sec = soup.find_all("div",'t-ZTKy')
77
+ text = []
78
+ for t in Review_text_sec:
79
+ text.append(t.text)
80
+
81
+ #Extracting the Star rating
82
+ Rating = soup.find_all("div", {"class": ["_3LWZlK _1BLPMq", "_3LWZlK _32lA32 _1BLPMq", "_3LWZlK _1rdVr6 _1BLPMq"]})
83
+ rate = []
84
+ for d in Rating:
85
+ rate.append(d.text)
86
+
87
+ #Extracting the Date
88
+ Date_sec = soup.find_all(lambda tag: tag.name == 'p' and tag.get('class') == ['_2sc7ZR'])
89
+ date = []
90
+ for d in Date_sec:
91
+ date.append(d.text)
92
+
93
+ #Extracting the Helpful rating
94
+ help_sec = soup.find_all(lambda tag: tag.name == 'div' and tag.get('class') == ['_1LmwT9'])
95
+ help1 = []
96
+ for d in help_sec:
97
+ help1.append(d.text)
98
+
99
+ elif site == 'amazon':
100
+ n_ = 0
101
+ title_sec = soup.find_all(attrs={"data-hook": "review-title", "class": "a-size-base a-link-normal review-title a-color-base review-title-content a-text-bold"})
102
+ title = []
103
+ for s in title_sec:
104
+ title.append(s.text.replace('\n', ''))
105
+ n_ = len(title)
106
+
107
+ author_sec = soup.find_all(attrs = {"class": "a-profile-name"})
108
+ author = []
109
+ for r in author_sec:
110
+ author.append(r.text)
111
+ while(1):
112
+ if len(author) > n_:
113
+ author.pop(0)
114
+ else:
115
+ break
116
+
117
+ Review_text_sec = soup.find_all(attrs={"data-hook": "review-body", "class": "a-size-base review-text review-text-content"})
118
+ text = []
119
+ for t in Review_text_sec:
120
+ text.append(t.text.replace('\n', ''))
121
+
122
+ Rating = soup.find_all(attrs={"data-hook": "review-star-rating"})
123
+ rate = []
124
+ for d in Rating:
125
+ rate.append(d.text)
126
+
127
+ Date_sec = soup.find_all(attrs={"data-hook": "review-date"})
128
+ date = []
129
+ for d in Date_sec:
130
+ date.append(d.text)
131
+
132
+ help_sec = soup.find_all(attrs={"data-hook": "helpful-vote-statement"})
133
+ help1 = []
134
+ for d in help_sec:
135
+ help1.append(d.text.replace('\n ', ''))
136
+ while(1):
137
+ if len(help1) < n_:
138
+ help1.append(0)
139
+ else:
140
+ break
141
+
142
+ url1 = []
143
+ url1 = [url] * len(date)
144
+
145
+ collate = {'Date': date, 'URL': url1, 'Review_Title': title, 'Author': author, 'Rating': rate, 'Review_text': text, 'Review_helpful': help1}
146
+ collate_df = pd.DataFrame.from_dict(collate)
147
+ return collate_df
148
+
149
+ def scraper(url):
150
+ df2 = []
151
+ soup = getsoup(url)
152
+ site = url.split('.')[1]
153
+ if site == 'flipkart':
154
+ url = url + '&page=1'
155
+ elif site == 'amazon':
156
+ url = url + '&pageNumber=1'
157
+ product = url.split('/')[3]
158
+ lastPage = 1
159
+ urllistPages = geturllist(url, lastPage)
160
+ x = 1
161
+ for url in urllistPages:
162
+ soup = getsoup(url)
163
+ df1 = getReviews(soup, site, url)
164
+ if x == 1:
165
+ df3 = []
166
+ df3 = df1
167
+ else:
168
+ df2 = df3
169
+ result = df2.append(df1, ignore_index=True)
170
+ df3 = result
171
+ x += 1
172
+ print(list(df3['Review_text']))
173
+ return list(df3['Review_text'])
174
+
175
+ arr = scraper('https://www.amazon.in/Redmi-inches-Ready-Smart-L32R8-FVIN/product-review/B0BVMLNGXR/ref=lp_90117314031_1_1?pf_rd_p=9e034799-55e2-4ab2-b0d0-eb42f95b2d05&pf_rd_r=V81TJ2VTRM0BYHQ6XX8S&sbo=RZvfv%2F%2FHxDF%2BO5021pAnSA%3D%3D&th=1')
176
+
177
+ TaggedDocument = doc2vec.TaggedDocument
178
+
179
+ loaded_model = load_model('weights.best.from_scratch1 (1).hdf5')
180
+
181
+ def preprocess_text(text):
182
+ stemmer = snowballstemmer.EnglishStemmer()
183
+ text = " ".join(stemmer.stemWords(re.sub('[!"#%\'()*+,-./:;<=>?@[\\]^_`{|}~1234567890’”“′‘\\\\]', ' ', text).split(' ')))
184
+
185
+ stop_words = set(["may", "also", "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "across", "among", "beside", "however", "yet", "within"] + list(ascii_lowercase))
186
+ stop_list = stemmer.stemWords(stop_words)
187
+ stop_words.update(stop_list)
188
+ text = " ".join(filter(None, filter(lambda word: word not in stop_words, text.lower().split(' '))))
189
+
190
+ return text.split(' ')
191
+
192
+
193
+ # arr = ['This is not a nice product', 'This is brilliant product', "I have had this tv for a year and a half. The tv worked smoothly and recently, it's display stopped working. I have contacted the company and they assured a repair within 8-10 days replacing the display panel. Then came the worst after sale experience I had ever. They didn't respond to my calls and whenever, I raised a grievance, I was just given different dates and extensions.", ''' In monotheistic belief systems, God is usually viewed as the supreme being, creator, and principal object of faith. In polytheistic belief systems, a god is "a spirit or being believed to have created, or for controlling some part of the universe or life, for which such a deity is often worshipped ''']
194
+
195
+ preprocessed_arr = [preprocess_text(x) for x in arr]
196
+
197
+ doc2vec_model = Doc2Vec.load("doc2vec_model_opinion_corpus (1).d2v")
198
+
199
+ def vectorize_comments_(df, d2v_model):
200
+ y = []
201
+ comments = []
202
+ for i in range(0, len(df)):
203
+ print(i)
204
+ label = 'SENT_%s' %i
205
+ comments.append(d2v_model.docvecs[label])
206
+
207
+ return comments
208
+
209
+ textData = vectorize_comments_(preprocessed_arr, doc2vec_model)
210
+
211
+ import numpy as np
212
+
213
+ textData_array = np.array(textData)
214
+
215
+ num_vectors = textData_array.shape[0]
216
+ textData_3d = textData_array.reshape((num_vectors, 1, -1))
217
+
218
+ new_shape = (textData_array.shape[0], 380, 512)
219
+
220
+ X_test3_reshaped = np.zeros(new_shape, dtype=textData_3d.dtype)
221
+ X_test3_reshaped[:, :textData_3d.shape[1], :textData_3d.shape[2]] = textData_3d
222
+
223
+ predictions = np.rint(loaded_model.predict(X_test3_reshaped))
224
+
225
+ argMax = []
226
+
227
+ for i in predictions:
228
+ argMax.append(np.argmax(i))
229
+
230
+ def returnRequirements(comments, preds):
231
+ arr = []
232
+ for i, j in enumerate(preds):
233
+ if j == 3 or j == 0:
234
+ arr.append(comments[i])
235
+ return arr
236
+
237
+ # 3 & 0 is deceptive rest aren't
238
+ print(argMax)
239
+ print(returnRequirements(arr, argMax))
requirements.txt ADDED
Binary file (790 Bytes). View file
 
review_detection.ipynb ADDED
@@ -0,0 +1,1383 @@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
+ {
2
+ "cells": [
3
+ {
4
+ "cell_type": "code",
5
+ "execution_count": null,
6
+ "metadata": {
7
+ "colab": {
8
+ "base_uri": "https://localhost:8080/"
9
+ },
10
+ "id": "aqGqpcYIpf_q",
11
+ "outputId": "a6d87acc-4df9-4abf-973c-c791c5461af9"
12
+ },
13
+ "outputs": [
14
+ {
15
+ "name": "stdout",
16
+ "output_type": "stream",
17
+ "text": [
18
+ "Downloading deceptive-opinion-spam-corpus.zip to /content\n",
19
+ "\r 0% 0.00/456k [00:00<?, ?B/s]\n",
20
+ "\r100% 456k/456k [00:00<00:00, 111MB/s]\n"
21
+ ]
22
+ }
23
+ ],
24
+ "source": [
25
+ "!kaggle datasets download -d rtatman/deceptive-opinion-spam-corpus"
26
+ ]
27
+ },
28
+ {
29
+ "cell_type": "code",
30
+ "execution_count": null,
31
+ "metadata": {
32
+ "id": "zu4NTMHapmms"
33
+ },
34
+ "outputs": [],
35
+ "source": [
36
+ "import zipfile\n",
37
+ "zip_ref = zipfile.ZipFile('/content/deceptive-opinion-spam-corpus.zip', 'r')\n",
38
+ "zip_ref.extractall('/content')\n",
39
+ "zip_ref.close()"
40
+ ]
41
+ },
42
+ {
43
+ "cell_type": "code",
44
+ "execution_count": null,
45
+ "metadata": {
46
+ "id": "3hIl0gHep9q6"
47
+ },
48
+ "outputs": [],
49
+ "source": [
50
+ "import pandas as pd\n",
51
+ "import numpy as np\n",
52
+ "from keras.preprocessing import sequence\n",
53
+ "from keras.layers import TimeDistributed, GlobalAveragePooling1D, GlobalAveragePooling2D, BatchNormalization\n",
54
+ "from keras.layers import LSTM\n",
55
+ "from keras.layers import Conv1D, MaxPooling1D, Conv2D, MaxPooling2D, AveragePooling1D\n",
56
+ "from keras.layers import Embedding\n",
57
+ "from keras.layers import Dropout, Flatten, Bidirectional, Dense, Activation, TimeDistributed\n",
58
+ "from keras.models import Model, Sequential\n",
59
+ "from tensorflow.keras.utils import to_categorical\n",
60
+ "from sklearn.model_selection import train_test_split\n",
61
+ "from sklearn.preprocessing import LabelEncoder\n",
62
+ "from nltk.corpus import stopwords\n",
63
+ "from nltk.tokenize import word_tokenize, sent_tokenize\n",
64
+ "from nltk.stem.wordnet import WordNetLemmatizer\n",
65
+ "from string import ascii_lowercase\n",
66
+ "from collections import Counter\n",
67
+ "from gensim.models import Word2Vec\n",
68
+ "from gensim.models import Doc2Vec\n",
69
+ "from gensim.models import doc2vec\n",
70
+ "from gensim.models import KeyedVectors\n",
71
+ "import itertools, nltk, snowballstemmer, re\n",
72
+ "import random\n",
73
+ "\n",
74
+ "TaggedDocument = doc2vec.TaggedDocument"
75
+ ]
76
+ },
77
+ {
78
+ "cell_type": "code",
79
+ "execution_count": null,
80
+ "metadata": {
81
+ "id": "fzwpJb7EqCjc"
82
+ },
83
+ "outputs": [],
84
+ "source": [
85
+ "class LabeledLineSentence(object):\n",
86
+ " def __init__(self, sources):\n",
87
+ " self.sources = sources\n",
88
+ "\n",
89
+ " flipped = {}\n",
90
+ "\n",
91
+ " for key, value in sources.items():\n",
92
+ " if value not in flipped:\n",
93
+ " flipped[value] = [key]\n",
94
+ " else:\n",
95
+ " raise Exception('Non-unique prefix encountered')\n",
96
+ "\n",
97
+ " def __iter__(self):\n",
98
+ " for source, prefix in self.sources.items():\n",
99
+ " with utils.smart_open(source) as fin:\n",
100
+ " for item_no, line in enumerate(fin):\n",
101
+ " yield TaggedDocument(utils.to_unicode(line).split(), [prefix + '_%s' % item_no])\n",
102
+ "\n",
103
+ " def to_array(self):\n",
104
+ " self.sentences = []\n",
105
+ " for source, prefix in self.sources.items():\n",
106
+ " with utils.smart_open(source) as fin:\n",
107
+ " for item_no, line in enumerate(fin):\n",
108
+ " self.sentences.append(TaggedDocument(utils.to_unicode(line).split(), [prefix + '_%s' % item_no]))\n",
109
+ " return self.sentences\n",
110
+ "\n",
111
+ " def sentences_perm(self):\n",
112
+ " shuffled = list(self.sentences)\n",
113
+ " random.shuffle(shuffled)\n",
114
+ " return shuffled"
115
+ ]
116
+ },
117
+ {
118
+ "cell_type": "code",
119
+ "execution_count": null,
120
+ "metadata": {
121
+ "id": "e_auMclPqmrI"
122
+ },
123
+ "outputs": [],
124
+ "source": [
125
+ "data = pd.read_csv(\"/content/deceptive-opinion.csv\")"
126
+ ]
127
+ },
128
+ {
129
+ "cell_type": "code",
130
+ "execution_count": null,
131
+ "metadata": {
132
+ "id": "G-EIqcKVrbEl"
133
+ },
134
+ "outputs": [],
135
+ "source": [
136
+ "data['polarity'] = np.where(data['polarity']=='positive', 1, 0)\n",
137
+ "data['deceptive'] = np.where(data['deceptive']=='truthful', 1, 0)"
138
+ ]
139
+ },
140
+ {
141
+ "cell_type": "code",
142
+ "execution_count": null,
143
+ "metadata": {
144
+ "colab": {
145
+ "base_uri": "https://localhost:8080/",
146
+ "height": 300
147
+ },
148
+ "id": "2REEjGj9rck1",
149
+ "outputId": "a5679d0f-f0b9-4c21-8005-42058e2cc4fc"
150
+ },
151
+ "outputs": [
152
+ {
153
+ "data": {
154
+ "text/html": [
155
+ "\n",
156
+ " <div id=\"df-6614128d-b81e-41f1-9a92-25467585644c\" class=\"colab-df-container\">\n",
157
+ " <div>\n",
158
+ "<style scoped>\n",
159
+ " .dataframe tbody tr th:only-of-type {\n",
160
+ " vertical-align: middle;\n",
161
+ " }\n",
162
+ "\n",
163
+ " .dataframe tbody tr th {\n",
164
+ " vertical-align: top;\n",
165
+ " }\n",
166
+ "\n",
167
+ " .dataframe thead th {\n",
168
+ " text-align: right;\n",
169
+ " }\n",
170
+ "</style>\n",
171
+ "<table border=\"1\" class=\"dataframe\">\n",
172
+ " <thead>\n",
173
+ " <tr style=\"text-align: right;\">\n",
174
+ " <th></th>\n",
175
+ " <th>deceptive</th>\n",
176
+ " <th>polarity</th>\n",
177
+ " </tr>\n",
178
+ " </thead>\n",
179
+ " <tbody>\n",
180
+ " <tr>\n",
181
+ " <th>count</th>\n",
182
+ " <td>1600.000000</td>\n",
183
+ " <td>1600.000000</td>\n",
184
+ " </tr>\n",
185
+ " <tr>\n",
186
+ " <th>mean</th>\n",
187
+ " <td>0.500000</td>\n",
188
+ " <td>0.500000</td>\n",
189
+ " </tr>\n",
190
+ " <tr>\n",
191
+ " <th>std</th>\n",
192
+ " <td>0.500156</td>\n",
193
+ " <td>0.500156</td>\n",
194
+ " </tr>\n",
195
+ " <tr>\n",
196
+ " <th>min</th>\n",
197
+ " <td>0.000000</td>\n",
198
+ " <td>0.000000</td>\n",
199
+ " </tr>\n",
200
+ " <tr>\n",
201
+ " <th>25%</th>\n",
202
+ " <td>0.000000</td>\n",
203
+ " <td>0.000000</td>\n",
204
+ " </tr>\n",
205
+ " <tr>\n",
206
+ " <th>50%</th>\n",
207
+ " <td>0.500000</td>\n",
208
+ " <td>0.500000</td>\n",
209
+ " </tr>\n",
210
+ " <tr>\n",
211
+ " <th>75%</th>\n",
212
+ " <td>1.000000</td>\n",
213
+ " <td>1.000000</td>\n",
214
+ " </tr>\n",
215
+ " <tr>\n",
216
+ " <th>max</th>\n",
217
+ " <td>1.000000</td>\n",
218
+ " <td>1.000000</td>\n",
219
+ " </tr>\n",
220
+ " </tbody>\n",
221
+ "</table>\n",
222
+ "</div>\n",
223
+ " <div class=\"colab-df-buttons\">\n",
224
+ "\n",
225
+ " <div class=\"colab-df-container\">\n",
226
+ " <button class=\"colab-df-convert\" onclick=\"convertToInteractive('df-6614128d-b81e-41f1-9a92-25467585644c')\"\n",
227
+ " title=\"Convert this dataframe to an interactive table.\"\n",
228
+ " style=\"display:none;\">\n",
229
+ "\n",
230
+ " <svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\" viewBox=\"0 -960 960 960\">\n",
231
+ " <path d=\"M120-120v-720h720v720H120Zm60-500h600v-160H180v160Zm220 220h160v-160H400v160Zm0 220h160v-160H400v160ZM180-400h160v-160H180v160Zm440 0h160v-160H620v160ZM180-180h160v-160H180v160Zm440 0h160v-160H620v160Z\"/>\n",
232
+ " </svg>\n",
233
+ " </button>\n",
234
+ "\n",
235
+ " <style>\n",
236
+ " .colab-df-container {\n",
237
+ " display:flex;\n",
238
+ " gap: 12px;\n",
239
+ " }\n",
240
+ "\n",
241
+ " .colab-df-convert {\n",
242
+ " background-color: #E8F0FE;\n",
243
+ " border: none;\n",
244
+ " border-radius: 50%;\n",
245
+ " cursor: pointer;\n",
246
+ " display: none;\n",
247
+ " fill: #1967D2;\n",
248
+ " height: 32px;\n",
249
+ " padding: 0 0 0 0;\n",
250
+ " width: 32px;\n",
251
+ " }\n",
252
+ "\n",
253
+ " .colab-df-convert:hover {\n",
254
+ " background-color: #E2EBFA;\n",
255
+ " box-shadow: 0px 1px 2px rgba(60, 64, 67, 0.3), 0px 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
256
+ " fill: #174EA6;\n",
257
+ " }\n",
258
+ "\n",
259
+ " .colab-df-buttons div {\n",
260
+ " margin-bottom: 4px;\n",
261
+ " }\n",
262
+ "\n",
263
+ " [theme=dark] .colab-df-convert {\n",
264
+ " background-color: #3B4455;\n",
265
+ " fill: #D2E3FC;\n",
266
+ " }\n",
267
+ "\n",
268
+ " [theme=dark] .colab-df-convert:hover {\n",
269
+ " background-color: #434B5C;\n",
270
+ " box-shadow: 0px 1px 3px 1px rgba(0, 0, 0, 0.15);\n",
271
+ " filter: drop-shadow(0px 1px 2px rgba(0, 0, 0, 0.3));\n",
272
+ " fill: #FFFFFF;\n",
273
+ " }\n",
274
+ " </style>\n",
275
+ "\n",
276
+ " <script>\n",
277
+ " const buttonEl =\n",
278
+ " document.querySelector('#df-6614128d-b81e-41f1-9a92-25467585644c button.colab-df-convert');\n",
279
+ " buttonEl.style.display =\n",
280
+ " google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
281
+ "\n",
282
+ " async function convertToInteractive(key) {\n",
283
+ " const element = document.querySelector('#df-6614128d-b81e-41f1-9a92-25467585644c');\n",
284
+ " const dataTable =\n",
285
+ " await google.colab.kernel.invokeFunction('convertToInteractive',\n",
286
+ " [key], {});\n",
287
+ " if (!dataTable) return;\n",
288
+ "\n",
289
+ " const docLinkHtml = 'Like what you see? Visit the ' +\n",
290
+ " '<a target=\"_blank\" href=https://colab.research.google.com/notebooks/data_table.ipynb>data table notebook</a>'\n",
291
+ " + ' to learn more about interactive tables.';\n",
292
+ " element.innerHTML = '';\n",
293
+ " dataTable['output_type'] = 'display_data';\n",
294
+ " await google.colab.output.renderOutput(dataTable, element);\n",
295
+ " const docLink = document.createElement('div');\n",
296
+ " docLink.innerHTML = docLinkHtml;\n",
297
+ " element.appendChild(docLink);\n",
298
+ " }\n",
299
+ " </script>\n",
300
+ " </div>\n",
301
+ "\n",
302
+ "\n",
303
+ "<div id=\"df-cc66d435-72a8-4146-ba22-ea8ef5610445\">\n",
304
+ " <button class=\"colab-df-quickchart\" onclick=\"quickchart('df-cc66d435-72a8-4146-ba22-ea8ef5610445')\"\n",
305
+ " title=\"Suggest charts\"\n",
306
+ " style=\"display:none;\">\n",
307
+ "\n",
308
+ "<svg xmlns=\"http://www.w3.org/2000/svg\" height=\"24px\"viewBox=\"0 0 24 24\"\n",
309
+ " width=\"24px\">\n",
310
+ " <g>\n",
311
+ " <path d=\"M19 3H5c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h14c1.1 0 2-.9 2-2V5c0-1.1-.9-2-2-2zM9 17H7v-7h2v7zm4 0h-2V7h2v10zm4 0h-2v-4h2v4z\"/>\n",
312
+ " </g>\n",
313
+ "</svg>\n",
314
+ " </button>\n",
315
+ "\n",
316
+ "<style>\n",
317
+ " .colab-df-quickchart {\n",
318
+ " --bg-color: #E8F0FE;\n",
319
+ " --fill-color: #1967D2;\n",
320
+ " --hover-bg-color: #E2EBFA;\n",
321
+ " --hover-fill-color: #174EA6;\n",
322
+ " --disabled-fill-color: #AAA;\n",
323
+ " --disabled-bg-color: #DDD;\n",
324
+ " }\n",
325
+ "\n",
326
+ " [theme=dark] .colab-df-quickchart {\n",
327
+ " --bg-color: #3B4455;\n",
328
+ " --fill-color: #D2E3FC;\n",
329
+ " --hover-bg-color: #434B5C;\n",
330
+ " --hover-fill-color: #FFFFFF;\n",
331
+ " --disabled-bg-color: #3B4455;\n",
332
+ " --disabled-fill-color: #666;\n",
333
+ " }\n",
334
+ "\n",
335
+ " .colab-df-quickchart {\n",
336
+ " background-color: var(--bg-color);\n",
337
+ " border: none;\n",
338
+ " border-radius: 50%;\n",
339
+ " cursor: pointer;\n",
340
+ " display: none;\n",
341
+ " fill: var(--fill-color);\n",
342
+ " height: 32px;\n",
343
+ " padding: 0;\n",
344
+ " width: 32px;\n",
345
+ " }\n",
346
+ "\n",
347
+ " .colab-df-quickchart:hover {\n",
348
+ " background-color: var(--hover-bg-color);\n",
349
+ " box-shadow: 0 1px 2px rgba(60, 64, 67, 0.3), 0 1px 3px 1px rgba(60, 64, 67, 0.15);\n",
350
+ " fill: var(--button-hover-fill-color);\n",
351
+ " }\n",
352
+ "\n",
353
+ " .colab-df-quickchart-complete:disabled,\n",
354
+ " .colab-df-quickchart-complete:disabled:hover {\n",
355
+ " background-color: var(--disabled-bg-color);\n",
356
+ " fill: var(--disabled-fill-color);\n",
357
+ " box-shadow: none;\n",
358
+ " }\n",
359
+ "\n",
360
+ " .colab-df-spinner {\n",
361
+ " border: 2px solid var(--fill-color);\n",
362
+ " border-color: transparent;\n",
363
+ " border-bottom-color: var(--fill-color);\n",
364
+ " animation:\n",
365
+ " spin 1s steps(1) infinite;\n",
366
+ " }\n",
367
+ "\n",
368
+ " @keyframes spin {\n",
369
+ " 0% {\n",
370
+ " border-color: transparent;\n",
371
+ " border-bottom-color: var(--fill-color);\n",
372
+ " border-left-color: var(--fill-color);\n",
373
+ " }\n",
374
+ " 20% {\n",
375
+ " border-color: transparent;\n",
376
+ " border-left-color: var(--fill-color);\n",
377
+ " border-top-color: var(--fill-color);\n",
378
+ " }\n",
379
+ " 30% {\n",
380
+ " border-color: transparent;\n",
381
+ " border-left-color: var(--fill-color);\n",
382
+ " border-top-color: var(--fill-color);\n",
383
+ " border-right-color: var(--fill-color);\n",
384
+ " }\n",
385
+ " 40% {\n",
386
+ " border-color: transparent;\n",
387
+ " border-right-color: var(--fill-color);\n",
388
+ " border-top-color: var(--fill-color);\n",
389
+ " }\n",
390
+ " 60% {\n",
391
+ " border-color: transparent;\n",
392
+ " border-right-color: var(--fill-color);\n",
393
+ " }\n",
394
+ " 80% {\n",
395
+ " border-color: transparent;\n",
396
+ " border-right-color: var(--fill-color);\n",
397
+ " border-bottom-color: var(--fill-color);\n",
398
+ " }\n",
399
+ " 90% {\n",
400
+ " border-color: transparent;\n",
401
+ " border-bottom-color: var(--fill-color);\n",
402
+ " }\n",
403
+ " }\n",
404
+ "</style>\n",
405
+ "\n",
406
+ " <script>\n",
407
+ " async function quickchart(key) {\n",
408
+ " const quickchartButtonEl =\n",
409
+ " document.querySelector('#' + key + ' button');\n",
410
+ " quickchartButtonEl.disabled = true; // To prevent multiple clicks.\n",
411
+ " quickchartButtonEl.classList.add('colab-df-spinner');\n",
412
+ " try {\n",
413
+ " const charts = await google.colab.kernel.invokeFunction(\n",
414
+ " 'suggestCharts', [key], {});\n",
415
+ " } catch (error) {\n",
416
+ " console.error('Error during call to suggestCharts:', error);\n",
417
+ " }\n",
418
+ " quickchartButtonEl.classList.remove('colab-df-spinner');\n",
419
+ " quickchartButtonEl.classList.add('colab-df-quickchart-complete');\n",
420
+ " }\n",
421
+ " (() => {\n",
422
+ " let quickchartButtonEl =\n",
423
+ " document.querySelector('#df-cc66d435-72a8-4146-ba22-ea8ef5610445 button');\n",
424
+ " quickchartButtonEl.style.display =\n",
425
+ " google.colab.kernel.accessAllowed ? 'block' : 'none';\n",
426
+ " })();\n",
427
+ " </script>\n",
428
+ "</div>\n",
429
+ "\n",
430
+ " </div>\n",
431
+ " </div>\n"
432
+ ],
433
+ "text/plain": [
434
+ " deceptive polarity\n",
435
+ "count 1600.000000 1600.000000\n",
436
+ "mean 0.500000 0.500000\n",
437
+ "std 0.500156 0.500156\n",
438
+ "min 0.000000 0.000000\n",
439
+ "25% 0.000000 0.000000\n",
440
+ "50% 0.500000 0.500000\n",
441
+ "75% 1.000000 1.000000\n",
442
+ "max 1.000000 1.000000"
443
+ ]
444
+ },
445
+ "execution_count": 15,
446
+ "metadata": {},
447
+ "output_type": "execute_result"
448
+ }
449
+ ],
450
+ "source": [
451
+ "df = data.sample(frac=1)\n",
452
+ "df.describe()"
453
+ ]
454
+ },
455
+ {
456
+ "cell_type": "code",
457
+ "execution_count": null,
458
+ "metadata": {
459
+ "id": "gqCqI9xSriAb"
460
+ },
461
+ "outputs": [],
462
+ "source": [
463
+ "def create_class(c):\n",
464
+ " if c['polarity'] == 1 and c['deceptive'] == 1:\n",
465
+ " return [1,1]\n",
466
+ " elif c['polarity'] == 1 and c['deceptive'] == 0:\n",
467
+ " return [1,0]\n",
468
+ " elif c['polarity'] == 0 and c['deceptive'] == 1:\n",
469
+ " return [0,1]\n",
470
+ " else:\n",
471
+ " return [0,0]\n",
472
+ "\n",
473
+ "def specific_class(c):\n",
474
+ " if c['polarity'] == 1 and c['deceptive'] == 1: # Actually Deceptive ---> 0\n",
475
+ " return \"TRUE_POSITIVE\"\n",
476
+ " elif c['polarity'] == 1 and c['deceptive'] == 0: # Actually Not Deceptive ---> 1\n",
477
+ " return \"FALSE_POSITIVE\"\n",
478
+ " elif c['polarity'] == 0 and c['deceptive'] == 1: # Actually Not Deceptive ---> 2\n",
479
+ " return \"TRUE_NEGATIVE\"\n",
480
+ " else: # Actually Deceptive ---> 3\n",
481
+ " return \"FALSE_NEGATIVE\"\n",
482
+ "\n",
483
+ "data['final_class'] = data.apply(create_class, axis=1)\n",
484
+ "data['given_class'] = data.apply(specific_class, axis=1)"
485
+ ]
486
+ },
487
+ {
488
+ "cell_type": "code",
489
+ "execution_count": null,
490
+ "metadata": {
491
+ "id": "0KtN7332rkOJ"
492
+ },
493
+ "outputs": [],
494
+ "source": [
495
+ "from sklearn import preprocessing\n",
496
+ "\n",
497
+ "label_encoder = preprocessing.LabelEncoder()\n",
498
+ "\n",
499
+ "data['given_class'] = label_encoder.fit_transform(data['given_class'])"
500
+ ]
501
+ },
502
+ {
503
+ "cell_type": "code",
504
+ "execution_count": 251,
505
+ "metadata": {
506
+ "colab": {
507
+ "base_uri": "https://localhost:8080/"
508
+ },
509
+ "id": "MW0O6_v3EM2G",
510
+ "outputId": "ab5238a9-8afb-4af5-8c49-69bab79c8caa"
511
+ },
512
+ "outputs": [
513
+ {
514
+ "data": {
515
+ "text/plain": [
516
+ "0 [1, 1]\n",
517
+ "1 [1, 1]\n",
518
+ "2 [1, 1]\n",
519
+ "3 [1, 1]\n",
520
+ "4 [1, 1]\n",
521
+ " ... \n",
522
+ "1595 [0, 0]\n",
523
+ "1596 [0, 0]\n",
524
+ "1597 [0, 0]\n",
525
+ "1598 [0, 0]\n",
526
+ "1599 [0, 0]\n",
527
+ "Name: final_class, Length: 1600, dtype: object"
528
+ ]
529
+ },
530
+ "execution_count": 251,
531
+ "metadata": {},
532
+ "output_type": "execute_result"
533
+ }
534
+ ],
535
+ "source": [
536
+ "data['final_class']"
537
+ ]
538
+ },
539
+ {
540
+ "cell_type": "code",
541
+ "execution_count": null,
542
+ "metadata": {
543
+ "id": "F24YJHdermPy"
544
+ },
545
+ "outputs": [],
546
+ "source": [
547
+ "Y = data['given_class']\n",
548
+ "encoder = LabelEncoder()\n",
549
+ "encoder.fit(Y)\n",
550
+ "encoded_Y = encoder.transform(Y)\n",
551
+ "dummy_y = to_categorical(encoded_Y)"
552
+ ]
553
+ },
554
+ {
555
+ "cell_type": "code",
556
+ "execution_count": 247,
557
+ "metadata": {
558
+ "colab": {
559
+ "base_uri": "https://localhost:8080/"
560
+ },
561
+ "id": "wmCJ8i83D1x4",
562
+ "outputId": "89d49003-3a75-421d-884d-e0d032cab6ca"
563
+ },
564
+ "outputs": [
565
+ {
566
+ "data": {
567
+ "text/plain": [
568
+ "array([[0., 0., 0., 1.],\n",
569
+ " [0., 0., 0., 1.],\n",
570
+ " [0., 0., 0., 1.],\n",
571
+ " ...,\n",
572
+ " [1., 0., 0., 0.],\n",
573
+ " [1., 0., 0., 0.],\n",
574
+ " [1., 0., 0., 0.]], dtype=float32)"
575
+ ]
576
+ },
577
+ "execution_count": 247,
578
+ "metadata": {},
579
+ "output_type": "execute_result"
580
+ }
581
+ ],
582
+ "source": [
583
+ "dummy_y"
584
+ ]
585
+ },
586
+ {
587
+ "cell_type": "code",
588
+ "execution_count": null,
589
+ "metadata": {
590
+ "id": "U0OJ5Qhbrocj"
591
+ },
592
+ "outputs": [],
593
+ "source": [
594
+ "textData = pd.DataFrame(list(data['text']))\n"
595
+ ]
596
+ },
597
+ {
598
+ "cell_type": "code",
599
+ "execution_count": null,
600
+ "metadata": {
601
+ "id": "c_WdJiovrwpN"
602
+ },
603
+ "outputs": [],
604
+ "source": [
605
+ "stemmer = snowballstemmer.EnglishStemmer()\n",
606
+ "\n",
607
+ "stop = stopwords.words('english')\n",
608
+ "stop.extend(['may','also','zero','one','two','three','four','five','six','seven','eight','nine','ten','across','among','beside','however','yet','within']+list(ascii_lowercase))\n",
609
+ "stoplist = stemmer.stemWords(stop)\n",
610
+ "stoplist = set(stoplist)\n",
611
+ "stop = set(sorted(stop + list(stoplist)))"
612
+ ]
613
+ },
614
+ {
615
+ "cell_type": "code",
616
+ "execution_count": null,
617
+ "metadata": {
618
+ "colab": {
619
+ "base_uri": "https://localhost:8080/"
620
+ },
621
+ "id": "pUJtMqjZryE9",
622
+ "outputId": "295b19f7-94fa-447b-b964-4017b0593401"
623
+ },
624
+ "outputs": [
625
+ {
626
+ "name": "stderr",
627
+ "output_type": "stream",
628
+ "text": [
629
+ "[nltk_data] Downloading package stopwords to /root/nltk_data...\n",
630
+ "[nltk_data] Unzipping corpora/stopwords.zip.\n"
631
+ ]
632
+ },
633
+ {
634
+ "data": {
635
+ "text/plain": [
636
+ "True"
637
+ ]
638
+ },
639
+ "execution_count": 23,
640
+ "metadata": {},
641
+ "output_type": "execute_result"
642
+ }
643
+ ],
644
+ "source": [
645
+ "nltk.download('stopwords')"
646
+ ]
647
+ },
648
+ {
649
+ "cell_type": "code",
650
+ "execution_count": null,
651
+ "metadata": {
652
+ "id": "_FG8kbvgr9HS"
653
+ },
654
+ "outputs": [],
655
+ "source": [
656
+ "textData[0].replace('[!\"#%\\'()*+,-./:;<=>?@\\[\\]^_`{|}~1234567890’”“′‘\\\\\\]',' ',inplace=True,regex=True)\n",
657
+ "wordlist = filter(None, \" \".join(list(set(list(itertools.chain(*textData[0].str.split(' ')))))).split(\" \"))\n",
658
+ "data['stemmed_text_data'] = [' '.join(filter(None,filter(lambda word: word not in stop, line))) for line in textData[0].str.lower().str.split(' ')]"
659
+ ]
660
+ },
661
+ {
662
+ "cell_type": "code",
663
+ "execution_count": null,
664
+ "metadata": {
665
+ "id": "fjUfTsjEsDh2"
666
+ },
667
+ "outputs": [],
668
+ "source": [
669
+ "minimum_count = 1\n",
670
+ "str_frequencies = pd.DataFrame(list(Counter(filter(None,list(itertools.chain(*data['stemmed_text_data'].str.split(' '))))).items()),columns=['word','count'])\n",
671
+ "low_frequency_words = set(str_frequencies[str_frequencies['count'] < minimum_count]['word'])\n",
672
+ "data['stemmed_text_data'] = [' '.join(filter(None,filter(lambda word: word not in low_frequency_words, line))) for line in data['stemmed_text_data'].str.split(' ')]\n",
673
+ "data['stemmed_text_data'] = [\" \".join(stemmer.stemWords(re.sub('[!\"#%\\'()*+,-./:;<=>?@\\[\\]^_`{|}~1234567890’”“′‘\\\\\\]',' ', next_text).split(' '))) for next_text in data['stemmed_text_data']]"
674
+ ]
675
+ },
676
+ {
677
+ "cell_type": "code",
678
+ "execution_count": null,
679
+ "metadata": {
680
+ "id": "GX-Gd8M6sEpp"
681
+ },
682
+ "outputs": [],
683
+ "source": [
684
+ "lmtzr = WordNetLemmatizer()\n",
685
+ "w = re.compile(\"\\w+\",re.I)\n",
686
+ "\n",
687
+ "def label_sentences(df, input_point):\n",
688
+ " labeled_sentences = []\n",
689
+ " list_sen = []\n",
690
+ " for index, datapoint in df.iterrows():\n",
691
+ " tokenized_words = re.findall(w,datapoint[input_point].lower())\n",
692
+ " labeled_sentences.append(TaggedDocument(words=tokenized_words, tags=['SENT_%s' %index]))\n",
693
+ " list_sen.append(tokenized_words)\n",
694
+ " return labeled_sentences, list_sen\n",
695
+ "\n",
696
+ "def train_doc2vec_model(labeled_sentences):\n",
697
+ " model = Doc2Vec(min_count=1, window=9, vector_size=512, sample=1e-4, negative=5, workers=7)\n",
698
+ " model.build_vocab(labeled_sentences)\n",
699
+ " pretrained_weights = model.wv.vectors\n",
700
+ " vocab_size, embedding_size = pretrained_weights.shape\n",
701
+ " model.train(labeled_sentences, total_examples=vocab_size, epochs=400)\n",
702
+ "\n",
703
+ " return model"
704
+ ]
705
+ },
706
+ {
707
+ "cell_type": "code",
708
+ "execution_count": null,
709
+ "metadata": {
710
+ "id": "2C_5s3UOsGfU"
711
+ },
712
+ "outputs": [],
713
+ "source": [
714
+ "textData = data['stemmed_text_data'].to_frame().reset_index()\n",
715
+ "sen, corpus = label_sentences(textData, 'stemmed_text_data')"
716
+ ]
717
+ },
718
+ {
719
+ "cell_type": "code",
720
+ "execution_count": null,
721
+ "metadata": {
722
+ "id": "qpb3aMvW_jdj"
723
+ },
724
+ "outputs": [],
725
+ "source": [
726
+ "sen"
727
+ ]
728
+ },
729
+ {
730
+ "cell_type": "code",
731
+ "execution_count": null,
732
+ "metadata": {
733
+ "id": "JeK3t6_HsNv9"
734
+ },
735
+ "outputs": [],
736
+ "source": [
737
+ "doc2vec_model = train_doc2vec_model(sen)"
738
+ ]
739
+ },
740
+ {
741
+ "cell_type": "code",
742
+ "execution_count": null,
743
+ "metadata": {
744
+ "id": "DyX1XG1usQMm"
745
+ },
746
+ "outputs": [],
747
+ "source": [
748
+ "doc2vec_model.save(\"doc2vec_model_opinion_corpus.d2v\")"
749
+ ]
750
+ },
751
+ {
752
+ "cell_type": "code",
753
+ "execution_count": null,
754
+ "metadata": {
755
+ "id": "l0OAFencszum"
756
+ },
757
+ "outputs": [],
758
+ "source": [
759
+ "doc2vec_model = Doc2Vec.load(\"doc2vec_model_opinion_corpus.d2v\")"
760
+ ]
761
+ },
762
+ {
763
+ "cell_type": "code",
764
+ "execution_count": null,
765
+ "metadata": {
766
+ "colab": {
767
+ "base_uri": "https://localhost:8080/"
768
+ },
769
+ "id": "ZJTp1POIs1sQ",
770
+ "outputId": "5788b8b8-3f66-4d4a-e22a-6bff020adf1e"
771
+ },
772
+ "outputs": [
773
+ {
774
+ "name": "stderr",
775
+ "output_type": "stream",
776
+ "text": [
777
+ "/usr/local/lib/python3.10/dist-packages/sklearn/feature_extraction/text.py:528: UserWarning: The parameter 'token_pattern' will not be used since 'tokenizer' is not None'\n",
778
+ " warnings.warn(\n"
779
+ ]
780
+ }
781
+ ],
782
+ "source": [
783
+ "from sklearn.feature_extraction.text import TfidfVectorizer\n",
784
+ "from sklearn.decomposition import TruncatedSVD\n",
785
+ "\n",
786
+ "tfidf1 = TfidfVectorizer(tokenizer=lambda i:i, lowercase=False, ngram_range=(1,1))\n",
787
+ "result_train1 = tfidf1.fit_transform(corpus)\n",
788
+ "\n",
789
+ "tfidf2 = TfidfVectorizer(tokenizer=lambda i:i, lowercase=False, ngram_range=(1,2))\n",
790
+ "result_train2 = tfidf2.fit_transform(corpus)\n",
791
+ "\n",
792
+ "tfidf3 = TfidfVectorizer(tokenizer=lambda i:i, lowercase=False, ngram_range=(1,3))\n",
793
+ "result_train3 = tfidf3.fit_transform(corpus)\n",
794
+ "\n",
795
+ "svd = TruncatedSVD(n_components=512, n_iter=40, random_state=34)\n",
796
+ "tfidf_data1 = svd.fit_transform(result_train1)\n",
797
+ "tfidf_data2 = svd.fit_transform(result_train2)\n",
798
+ "tfidf_data3 = svd.fit_transform(result_train3)"
799
+ ]
800
+ },
801
+ {
802
+ "cell_type": "code",
803
+ "execution_count": null,
804
+ "metadata": {
805
+ "id": "io0D71F00Wv8"
806
+ },
807
+ "outputs": [],
808
+ "source": [
809
+ "nlp = spacy.load(\"en_core_web_sm\")"
810
+ ]
811
+ },
812
+ {
813
+ "cell_type": "code",
814
+ "execution_count": null,
815
+ "metadata": {
816
+ "id": "QR6PqZREs3EA"
817
+ },
818
+ "outputs": [],
819
+ "source": [
820
+ "from sklearn.feature_extraction.text import CountVectorizer\n",
821
+ "import spacy\n",
822
+ "\n",
823
+ "nlp = spacy.load(\"en_core_web_sm\")\n",
824
+ "temp_textData = pd.DataFrame(list(data['text']))\n",
825
+ "\n",
826
+ "overall_pos_tags_tokens = []\n",
827
+ "overall_pos = []\n",
828
+ "overall_tokens = []\n",
829
+ "overall_dep = []\n",
830
+ "\n",
831
+ "for i in range(1600):\n",
832
+ " doc = nlp(temp_textData[0][i])\n",
833
+ " given_pos_tags_tokens = []\n",
834
+ " given_pos = []\n",
835
+ " given_tokens = []\n",
836
+ " given_dep = []\n",
837
+ " for token in doc:\n",
838
+ " output = \"%s_%s\" % (token.pos_, token.tag_)\n",
839
+ " given_pos_tags_tokens.append(output)\n",
840
+ " given_pos.append(token.pos_)\n",
841
+ " given_tokens.append(token.tag_)\n",
842
+ " given_dep.append(token.dep_)\n",
843
+ "\n",
844
+ " overall_pos_tags_tokens.append(given_pos_tags_tokens)\n",
845
+ " overall_pos.append(given_pos)\n",
846
+ " overall_tokens.append(given_tokens)\n",
847
+ " overall_dep.append(given_dep)\n"
848
+ ]
849
+ },
850
+ {
851
+ "cell_type": "code",
852
+ "execution_count": null,
853
+ "metadata": {
854
+ "id": "O6C2OJ8KEzHk"
855
+ },
856
+ "outputs": [],
857
+ "source": [
858
+ "overall_tokens"
859
+ ]
860
+ },
861
+ {
862
+ "cell_type": "code",
863
+ "execution_count": null,
864
+ "metadata": {
865
+ "colab": {
866
+ "base_uri": "https://localhost:8080/"
867
+ },
868
+ "id": "4PxkBoQgs4wV",
869
+ "outputId": "07f59ab7-dbc0-4b41-e712-31a165e6ddf2"
870
+ },
871
+ "outputs": [
872
+ {
873
+ "name": "stderr",
874
+ "output_type": "stream",
875
+ "text": [
876
+ "/usr/local/lib/python3.10/dist-packages/sklearn/feature_extraction/text.py:528: UserWarning: The parameter 'token_pattern' will not be used since 'tokenizer' is not None'\n",
877
+ " warnings.warn(\n"
878
+ ]
879
+ }
880
+ ],
881
+ "source": [
882
+ "import numpy as np\n",
883
+ "from sklearn.feature_extraction.text import CountVectorizer\n",
884
+ "from sklearn.preprocessing import MinMaxScaler\n",
885
+ "\n",
886
+ "count = CountVectorizer(tokenizer=lambda i: i, lowercase=False)\n",
887
+ "pos_tags_data = count.fit_transform(overall_pos_tags_tokens).todense()\n",
888
+ "pos_data = count.fit_transform(overall_pos).todense()\n",
889
+ "tokens_data = count.fit_transform(overall_tokens).todense()\n",
890
+ "dep_data = count.fit_transform(overall_dep).todense()\n",
891
+ "\n",
892
+ "min_max_scaler = MinMaxScaler()\n",
893
+ "\n",
894
+ "normalized_pos_tags_data = min_max_scaler.fit_transform(np.asarray(pos_tags_data))\n",
895
+ "normalized_pos_data = min_max_scaler.fit_transform(np.asarray(pos_data))\n",
896
+ "normalized_tokens_data = min_max_scaler.fit_transform(np.asarray(tokens_data))\n",
897
+ "normalized_dep_data = min_max_scaler.fit_transform(np.asarray(dep_data))\n",
898
+ "\n",
899
+ "# Convert the scaled data to numpy arrays\n",
900
+ "normalized_pos_tags_data = np.asarray(normalized_pos_tags_data)\n",
901
+ "normalized_pos_data = np.asarray(normalized_pos_data)\n",
902
+ "normalized_tokens_data = np.asarray(normalized_tokens_data)\n",
903
+ "normalized_dep_data = np.asarray(normalized_dep_data)\n",
904
+ "\n",
905
+ "final_pos_tags_data = np.zeros(shape=(1600, 512)).astype(np.float32)\n",
906
+ "final_pos_data = np.zeros(shape=(1600, 512)).astype(np.float32)\n",
907
+ "final_tokens_data = np.zeros(shape=(1600, 512)).astype(np.float32)\n",
908
+ "final_dep_data = np.zeros(shape=(1600, 512)).astype(np.float32)\n",
909
+ "\n",
910
+ "# Assign the converted arrays to the final arrays\n",
911
+ "final_pos_tags_data[:normalized_pos_tags_data.shape[0], :normalized_pos_tags_data.shape[1]] = normalized_pos_tags_data\n",
912
+ "final_pos_data[:normalized_pos_data.shape[0], :normalized_pos_data.shape[1]] = normalized_pos_data\n",
913
+ "final_tokens_data[:normalized_tokens_data.shape[0], :normalized_tokens_data.shape[1]] = normalized_tokens_data\n",
914
+ "final_dep_data[:normalized_dep_data.shape[0], :normalized_dep_data.shape[1]] = normalized_dep_data\n"
915
+ ]
916
+ },
917
+ {
918
+ "cell_type": "code",
919
+ "execution_count": null,
920
+ "metadata": {
921
+ "colab": {
922
+ "base_uri": "https://localhost:8080/"
923
+ },
924
+ "id": "jQdeLCgas6HD",
925
+ "outputId": "b1079e7c-c4fa-413d-bf89-9f5dc8fe36d8"
926
+ },
927
+ "outputs": [
928
+ {
929
+ "name": "stdout",
930
+ "output_type": "stream",
931
+ "text": [
932
+ "370\n"
933
+ ]
934
+ }
935
+ ],
936
+ "source": [
937
+ "maxlength = []\n",
938
+ "for i in range(0,len(sen)):\n",
939
+ " maxlength.append(len(sen[i][0]))\n",
940
+ "\n",
941
+ "print(max(maxlength))"
942
+ ]
943
+ },
944
+ {
945
+ "cell_type": "code",
946
+ "execution_count": null,
947
+ "metadata": {
948
+ "id": "X5y1kjW-s7bJ"
949
+ },
950
+ "outputs": [],
951
+ "source": [
952
+ "doc2vec_model = Doc2Vec.load(\"doc2vec_model_opinion_corpus.d2v\")\n",
953
+ "\n",
954
+ "def vectorize_comments(df,d2v_model):\n",
955
+ " y = []\n",
956
+ " comments = []\n",
957
+ " for i in range(0,df.shape[0]):\n",
958
+ " label = 'SENT_%s' %i\n",
959
+ " comments.append(d2v_model.docvecs[label])\n",
960
+ " df['vectorized_comments'] = comments\n",
961
+ "\n",
962
+ " return df\n",
963
+ "\n",
964
+ "textData = vectorize_comments(textData,doc2vec_model)\n",
965
+ "print (textData.head(2))"
966
+ ]
967
+ },
968
+ {
969
+ "cell_type": "code",
970
+ "execution_count": null,
971
+ "metadata": {
972
+ "id": "SUfiSDENs8cg"
973
+ },
974
+ "outputs": [],
975
+ "source": [
976
+ "from sklearn.model_selection import train_test_split\n",
977
+ "from sklearn.model_selection import cross_validate,GridSearchCV\n",
978
+ "\n",
979
+ "X_train, X_test, y_train, y_test = train_test_split(textData[\"vectorized_comments\"].T.tolist(),\n",
980
+ " dummy_y,\n",
981
+ " test_size=0.1,\n",
982
+ " random_state=56)"
983
+ ]
984
+ },
985
+ {
986
+ "cell_type": "code",
987
+ "execution_count": null,
988
+ "metadata": {
989
+ "id": "1ID0T5d0s-iS"
990
+ },
991
+ "outputs": [],
992
+ "source": [
993
+ "X = np.array(textData[\"vectorized_comments\"].T.tolist()).reshape((1,1600,512))\n",
994
+ "y = np.array(dummy_y).reshape((1600,4))\n",
995
+ "X_train2 = np.array(X_train).reshape((1,1440,512))\n",
996
+ "y_train2 = np.array(y_train).reshape((1,1440,4))\n",
997
+ "X_test2 = np.array(X_test).reshape((1,160,512))\n",
998
+ "y_test2 = np.array(y_test).reshape((1,160,4))"
999
+ ]
1000
+ },
1001
+ {
1002
+ "cell_type": "code",
1003
+ "execution_count": null,
1004
+ "metadata": {
1005
+ "id": "GlYOfPhGs_lR"
1006
+ },
1007
+ "outputs": [],
1008
+ "source": [
1009
+ "from sklearn.model_selection import StratifiedKFold\n",
1010
+ "Xtemp = df[\"vectorized_comments\"].T.tolist()\n",
1011
+ "ytemp = data['given_class']\n",
1012
+ "training_indices = []\n",
1013
+ "testing_indices = []\n",
1014
+ "\n",
1015
+ "skf = StratifiedKFold(n_splits=10)\n",
1016
+ "skf.get_n_splits(Xtemp, ytemp)\n",
1017
+ "\n",
1018
+ "for train_index, test_index in skf.split(Xtemp, ytemp):\n",
1019
+ " training_indices.append(train_index)\n",
1020
+ " testing_indices.append(test_index)"
1021
+ ]
1022
+ },
1023
+ {
1024
+ "cell_type": "code",
1025
+ "execution_count": 238,
1026
+ "metadata": {
1027
+ "colab": {
1028
+ "base_uri": "https://localhost:8080/"
1029
+ },
1030
+ "id": "-avX-WdT_Z2P",
1031
+ "outputId": "a2a227a5-9ff7-4ee0-8cd0-d6b8fb157363"
1032
+ },
1033
+ "outputs": [
1034
+ {
1035
+ "data": {
1036
+ "text/plain": [
1037
+ "160"
1038
+ ]
1039
+ },
1040
+ "execution_count": 238,
1041
+ "metadata": {},
1042
+ "output_type": "execute_result"
1043
+ }
1044
+ ],
1045
+ "source": [
1046
+ "len(testing_indices[2])"
1047
+ ]
1048
+ },
1049
+ {
1050
+ "cell_type": "code",
1051
+ "execution_count": null,
1052
+ "metadata": {
1053
+ "id": "EIVEsyLiRjn7"
1054
+ },
1055
+ "outputs": [],
1056
+ "source": [
1057
+ "training_indices"
1058
+ ]
1059
+ },
1060
+ {
1061
+ "cell_type": "code",
1062
+ "execution_count": 211,
1063
+ "metadata": {
1064
+ "colab": {
1065
+ "base_uri": "https://localhost:8080/"
1066
+ },
1067
+ "id": "iPc15Lwv7-L2",
1068
+ "outputId": "5b5578e0-27b7-4bad-92e7-ef42dda066ed"
1069
+ },
1070
+ "outputs": [
1071
+ {
1072
+ "data": {
1073
+ "text/plain": [
1074
+ "<12x12 sparse matrix of type '<class 'numpy.float64'>'\n",
1075
+ "\twith 20 stored elements in Compressed Sparse Row format>"
1076
+ ]
1077
+ },
1078
+ "execution_count": 211,
1079
+ "metadata": {},
1080
+ "output_type": "execute_result"
1081
+ }
1082
+ ],
1083
+ "source": [
1084
+ "result_train1"
1085
+ ]
1086
+ },
1087
+ {
1088
+ "cell_type": "code",
1089
+ "execution_count": 212,
1090
+ "metadata": {
1091
+ "id": "8UwiqmnhtAz6"
1092
+ },
1093
+ "outputs": [],
1094
+ "source": [
1095
+ "def extractTrainingAndTestingData(givenIndex):\n",
1096
+ " X_train3 = np.zeros(shape=(1440, max(maxlength)+10, 512)).astype(np.float32)\n",
1097
+ " Y_train3 = np.zeros(shape=(1440, 4)).astype(np.float32)\n",
1098
+ " X_test3 = np.zeros(shape=(160, max(maxlength)+10, 512)).astype(np.float32)\n",
1099
+ " Y_test3 = np.zeros(shape=(160, 4)).astype(np.float32)\n",
1100
+ "\n",
1101
+ " empty_word = np.zeros(512).astype(np.float32)\n",
1102
+ "\n",
1103
+ " count_i = 0\n",
1104
+ " for i in training_indices[givenIndex]:\n",
1105
+ " len1 = len(sen[i][0])\n",
1106
+ " average_vector1 = np.zeros(512).astype(np.float32)\n",
1107
+ " average_vector2 = np.zeros(512).astype(np.float32)\n",
1108
+ " average_vector3 = np.zeros(512).astype(np.float32)\n",
1109
+ " for j in range(max(maxlength)+10):\n",
1110
+ " if j < len1:\n",
1111
+ " X_train3[count_i,j,:] = doc2vec_model[sen[i][0][j]]\n",
1112
+ " average_vector1 += result_train1[i, tfidf1.vocabulary_[sen[i][0][j]]] * doc2vec_model[sen[i][0][j]]\n",
1113
+ " average_vector2 += result_train2[i, tfidf2.vocabulary_[sen[i][0][j]]] * doc2vec_model[sen[i][0][j]]\n",
1114
+ " average_vector3 += result_train3[i, tfidf3.vocabulary_[sen[i][0][j]]] * doc2vec_model[sen[i][0][j]]\n",
1115
+ " #elif j >= len1 and j < len1 + 379:\n",
1116
+ " # X_train3[count_i,j,:] = glove_data[i, j-len1, :]\n",
1117
+ " elif j == len1:\n",
1118
+ " X_train3[count_i,j,:] = tfidf_data1[i]\n",
1119
+ " elif j == len1 + 1:\n",
1120
+ " X_train3[count_i,j,:] = tfidf_data2[i]\n",
1121
+ " elif j == len1+2:\n",
1122
+ " X_train3[count_i,j,:] = tfidf_data3[i]\n",
1123
+ " elif j == len1+3:\n",
1124
+ " X_train3[count_i,j,:] = average_vector1\n",
1125
+ " elif j == len1+4:\n",
1126
+ " X_train3[count_i,j,:] = average_vector2\n",
1127
+ " elif j == len1+5:\n",
1128
+ " X_train3[count_i,j,:] = average_vector3\n",
1129
+ " elif j == len1+6:\n",
1130
+ " X_train3[count_i,j,:] = final_pos_tags_data[i]\n",
1131
+ " elif j == len1+7:\n",
1132
+ " X_train3[count_i,j,:] = final_pos_data[i]\n",
1133
+ " elif j == len1+8:\n",
1134
+ " X_train3[count_i,j,:] = final_tokens_data[i]\n",
1135
+ " elif j == len1+9:\n",
1136
+ " X_train3[count_i,j,:] = final_dep_data[i]\n",
1137
+ " else:\n",
1138
+ " X_train3[count_i,j,:] = empty_word\n",
1139
+ "\n",
1140
+ " Y_train3[count_i,:] = dummy_y[i]\n",
1141
+ " count_i += 1\n",
1142
+ "\n",
1143
+ "\n",
1144
+ " count_i = 0\n",
1145
+ " for i in testing_indices[givenIndex]:\n",
1146
+ " len1 = len(sen[i][0])\n",
1147
+ " average_vector1 = np.zeros(512).astype(np.float32)\n",
1148
+ " average_vector2 = np.zeros(512).astype(np.float32)\n",
1149
+ " average_vector3 = np.zeros(512).astype(np.float32)\n",
1150
+ " for j in range(max(maxlength)+10):\n",
1151
+ " if j < len1:\n",
1152
+ " X_test3[count_i,j,:] = doc2vec_model[sen[i][0][j]]\n",
1153
+ " average_vector1 += result_train1[i, tfidf1.vocabulary_[sen[i][0][j]]] * doc2vec_model[sen[i][0][j]]\n",
1154
+ " average_vector2 += result_train2[i, tfidf2.vocabulary_[sen[i][0][j]]] * doc2vec_model[sen[i][0][j]]\n",
1155
+ " average_vector3 += result_train3[i, tfidf3.vocabulary_[sen[i][0][j]]] * doc2vec_model[sen[i][0][j]]\n",
1156
+ " #elif j >= len1 and j < len1 + 379:\n",
1157
+ " # X_test3[count_i,j,:] = glove_data[i, j-len1, :]\n",
1158
+ " elif j == len1:\n",
1159
+ " X_test3[count_i,j,:] = tfidf_data1[i]\n",
1160
+ " elif j == len1 + 1:\n",
1161
+ " X_test3[count_i,j,:] = tfidf_data2[i]\n",
1162
+ " elif j == len1+2:\n",
1163
+ " X_test3[count_i,j,:] = tfidf_data3[i]\n",
1164
+ " elif j == len1+3:\n",
1165
+ " X_test3[count_i,j,:] = average_vector1\n",
1166
+ " elif j == len1+4:\n",
1167
+ " X_test3[count_i,j,:] = average_vector2\n",
1168
+ " elif j == len1+5:\n",
1169
+ " X_test3[count_i,j,:] = average_vector3\n",
1170
+ " elif j == len1+6:\n",
1171
+ " X_test3[count_i,j,:] = final_pos_tags_data[i]\n",
1172
+ " elif j == len1+7:\n",
1173
+ " X_test3[count_i,j,:] = final_pos_data[i]\n",
1174
+ " elif j == len1+8:\n",
1175
+ " X_test3[count_i,j,:] = final_tokens_data[i]\n",
1176
+ " elif j == len1+9:\n",
1177
+ " X_test3[count_i,j,:] = final_dep_data[i]\n",
1178
+ " else:\n",
1179
+ " X_test3[count_i,j,:] = empty_word\n",
1180
+ "\n",
1181
+ " Y_test3[count_i,:] = dummy_y[i]\n",
1182
+ " count_i += 1\n",
1183
+ "\n",
1184
+ " return X_train3, X_test3, Y_train3, Y_test3"
1185
+ ]
1186
+ },
1187
+ {
1188
+ "cell_type": "code",
1189
+ "execution_count": null,
1190
+ "metadata": {
1191
+ "id": "_ZQ6S5IhtB_8"
1192
+ },
1193
+ "outputs": [],
1194
+ "source": [
1195
+ "model = Sequential()\n",
1196
+ "model.add(Conv1D(filters=128, kernel_size=9, padding='same', activation='relu', input_shape=(max(maxlength)+10,512)))\n",
1197
+ "model.add(Dropout(0.25))\n",
1198
+ "model.add(MaxPooling1D(pool_size=2))\n",
1199
+ "model.add(Dropout(0.25))\n",
1200
+ "model.add(Conv1D(filters=128, kernel_size=7, padding='same', activation='relu'))\n",
1201
+ "model.add(Dropout(0.25))\n",
1202
+ "model.add(MaxPooling1D(pool_size=2))\n",
1203
+ "model.add(Dropout(0.25))\n",
1204
+ "model.add(Conv1D(filters=128, kernel_size=5, padding='same', activation='relu'))\n",
1205
+ "model.add(Dropout(0.25))\n",
1206
+ "model.add(Bidirectional(LSTM(50, dropout=0.25, recurrent_dropout=0.2)))\n",
1207
+ "model.add(Dense(4, activation='softmax'))\n",
1208
+ "model.compile(loss='binary_crossentropy', optimizer='Adam', metrics=['accuracy'])\n",
1209
+ "print(model.summary())"
1210
+ ]
1211
+ },
1212
+ {
1213
+ "cell_type": "code",
1214
+ "execution_count": null,
1215
+ "metadata": {
1216
+ "id": "G2XuZvBOtDMs"
1217
+ },
1218
+ "outputs": [],
1219
+ "source": [
1220
+ "from sklearn.metrics import accuracy_score\n",
1221
+ "from keras.callbacks import ModelCheckpoint\n",
1222
+ "\n",
1223
+ "final_accuracies = []\n",
1224
+ "\n",
1225
+ "filename = 'weights.best.from_scratch%s.hdf5' % 9\n",
1226
+ "checkpointer = ModelCheckpoint(filepath=filename, verbose=1, save_best_only=True)\n",
1227
+ "X_train3, X_test3, Y_train3, Y_test3 = extractTrainingAndTestingData(9)"
1228
+ ]
1229
+ },
1230
+ {
1231
+ "cell_type": "code",
1232
+ "execution_count": null,
1233
+ "metadata": {
1234
+ "id": "kGGf09dktEmS"
1235
+ },
1236
+ "outputs": [],
1237
+ "source": [
1238
+ "history = model.fit(X_train3, Y_train3, epochs=15, batch_size=512, callbacks=[checkpointer], validation_data=(X_test3, Y_test3), verbose=1)"
1239
+ ]
1240
+ },
1241
+ {
1242
+ "cell_type": "code",
1243
+ "execution_count": null,
1244
+ "metadata": {
1245
+ "id": "ug5x2h7xtGNb"
1246
+ },
1247
+ "outputs": [],
1248
+ "source": [
1249
+ "model.evaluate(X_test3, Y_test3)"
1250
+ ]
1251
+ },
1252
+ {
1253
+ "cell_type": "code",
1254
+ "execution_count": 207,
1255
+ "metadata": {
1256
+ "id": "UVKUsrk0tHil"
1257
+ },
1258
+ "outputs": [],
1259
+ "source": [
1260
+ "import matplotlib.pyplot as plt"
1261
+ ]
1262
+ },
1263
+ {
1264
+ "cell_type": "code",
1265
+ "execution_count": null,
1266
+ "metadata": {
1267
+ "id": "BPcCy47XtKcL"
1268
+ },
1269
+ "outputs": [],
1270
+ "source": [
1271
+ "model.load_weights(filename)"
1272
+ ]
1273
+ },
1274
+ {
1275
+ "cell_type": "code",
1276
+ "execution_count": null,
1277
+ "metadata": {
1278
+ "id": "csp-z21UtLUT"
1279
+ },
1280
+ "outputs": [],
1281
+ "source": [
1282
+ "for i in range(10):\n",
1283
+ " filename = 'weights.best.from_scratch%s.hdf5' % i\n",
1284
+ " checkpointer = ModelCheckpoint(filepath=filename, verbose=1, save_best_only=True)\n",
1285
+ " X_train3, X_test3, Y_train3, Y_test3 = extractTrainingAndTestingData(i)\n",
1286
+ " model.fit(X_train3, Y_train3, epochs=10, batch_size=512, callbacks=[checkpointer], validation_data=(X_test3, Y_test3))\n",
1287
+ " model.load_weights(filename)\n",
1288
+ " predicted = np.rint(model.predict(X_test3))\n",
1289
+ " final_accuracies.append(accuracy_score(Y_test3, predicted))\n",
1290
+ " print(accuracy_score(Y_test3, predicted))"
1291
+ ]
1292
+ },
1293
+ {
1294
+ "cell_type": "code",
1295
+ "execution_count": null,
1296
+ "metadata": {
1297
+ "colab": {
1298
+ "base_uri": "https://localhost:8080/"
1299
+ },
1300
+ "id": "aKhWVJjFLE_9",
1301
+ "outputId": "0a8053a8-3bae-46b1-b154-31fd2030465b"
1302
+ },
1303
+ "outputs": [
1304
+ {
1305
+ "data": {
1306
+ "text/plain": [
1307
+ "380"
1308
+ ]
1309
+ },
1310
+ "execution_count": 162,
1311
+ "metadata": {},
1312
+ "output_type": "execute_result"
1313
+ }
1314
+ ],
1315
+ "source": [
1316
+ "len(X_test3[0])"
1317
+ ]
1318
+ },
1319
+ {
1320
+ "cell_type": "code",
1321
+ "execution_count": null,
1322
+ "metadata": {
1323
+ "colab": {
1324
+ "base_uri": "https://localhost:8080/"
1325
+ },
1326
+ "id": "73d3h_lhL5r8",
1327
+ "outputId": "8da114d8-2901-49b2-fbcd-90b821b392ad"
1328
+ },
1329
+ "outputs": [
1330
+ {
1331
+ "data": {
1332
+ "text/plain": [
1333
+ "160"
1334
+ ]
1335
+ },
1336
+ "execution_count": 161,
1337
+ "metadata": {},
1338
+ "output_type": "execute_result"
1339
+ }
1340
+ ],
1341
+ "source": [
1342
+ "len(Y_test3)"
1343
+ ]
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+ },
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+ {
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+ "cell_type": "code",
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+ "execution_count": null,
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+ "metadata": {
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+ "colab": {
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+ "base_uri": "https://localhost:8080/"
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+ },
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+ "id": "EGeLg-HXtMlu",
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+ "outputId": "c41250cd-b6e6-4b92-a775-d010fbdc803a"
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+ },
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+ "outputs": [
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+ {
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+ "name": "stdout",
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+ "output_type": "stream",
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+ "text": [
1360
+ "0.8875\n"
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+ ]
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+ }
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+ ],
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+ "source": [
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+ "print(sum(final_accuracies) / len(final_accuracies))"
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+ ]
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+ }
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+ ],
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+ "metadata": {
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+ "colab": {
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+ "provenance": []
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+ },
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+ "display_name": "Python 3",
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+ "name": "python3"
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+ "name": "python"
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+ }
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+ },
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+ "nbformat": 4,
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+ "nbformat_minor": 0
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+ }
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