from gabry_dataset_parser import get_labeled_instances
from nltk.corpus import stopwords
from nltk.tokenize import word_tokenize
import spacy
from nltk.parse.corenlp import CoreNLPDependencyParser
from pycorenlp import StanfordCoreNLP
from vaderSentiment.vaderSentiment import SentimentIntensityAnalyzer
import csv
import numpy as np
import matplotlib.pyplot as plt
labeled_instances = get_labeled_instances(
"./train_set/instances_converted_small.pickle",
"./train_set/truth_converted_small.pickle")
clickbait_df = labeled_instances[(labeled_instances.truthClass == 'clickbait')]
no_clickbait_df = labeled_instances[(
labeled_instances.truthClass == 'no-clickbait')]
print(clickbait_df.columns)
def get_slang_words_list():
slang_data = []
with open('slang_dict.doc', 'r') as exRtFile:
exchReader = csv.reader(exRtFile,
delimiter='`',
quoting=csv.QUOTE_NONE)
for row in exchReader:
slang_data.append(row)
import pandas as pd
from sklearn import preprocessing
from sklearn.feature_selection import mutual_info_classif
from gabry_dataset_parser import get_labeled_instances
DATASET = 'big'
path = "../features/{}/pos_features_{}_targetTitle_normalized{}.csv"
POS_FEAT_PATH = path.format(DATASET, DATASET, "")
feat_data = pd.read_csv(POS_FEAT_PATH)
data_df = get_labeled_instances(
"../train_set/instances_converted_{}.pickle".format(DATASET),
"../train_set/truth_converted_{}.pickle".format(DATASET))[[
'id', 'truthClass'
]]
print(
f"Labeled instances loaded. Shape: {data_df.shape}. Only 'id' and 'truthClass' kept."
)
feat_data['id'] = feat_data['id'].astype(str)
data_df = pd.merge(data_df, feat_data, on=['id'])
le = preprocessing.LabelEncoder()
label_encoded = le.fit_transform(data_df['truthClass'])
label_encoded = [1 if lab == 0 else 0 for lab in list(label_encoded)]
print(
f"Labels encoded. Class '{data_df['truthClass'][0]}' --> label '{label_encoded[0]}'"
)
label_encoded = pd.DataFrame(label_encoded, columns=['label'])
data_df = data_df.drop(['id', 'truthClass'], 1)
# TODO: big targetTitle normalized --> Done
# TODO: big targetTitle no-normalized --> Running
DATASET = 'big' # 'small' or 'big'
target = "targetTitle" # "postText" or "targetTitle"
prefix = "PT" if target == "postText" else "TA"
NORMALIZE = False
FEATURES_DATA_PATH = r"../features/pos_features_{}_{}_{}.csv".format(
DATASET, target, 'normalized' if NORMALIZE else "no-normalized")
print(
f"Generating POS features... it might take a while :P\n Path: '{FEATURES_DATA_PATH}' | {target} | {prefix}"
)
labeled_instances = get_labeled_instances(
"../train_set/instances_converted_{}.pickle".format(DATASET),
"../train_set/truth_converted_{}.pickle".format(DATASET))
tagger = nltk.StanfordNERTagger(
'../ner/english.all.3class.distsim.crf.ser.gz',
'../ner/stanford-ner.jar',
encoding='utf-8')
tagset = nltk.load("help/tagsets/upenn_tagset.pickle")
possible_tags = list(tagset.keys())
ids = list(labeled_instances.id)
if target == 'postText':
texts = [txt[0] for txt in list(labeled_instances.postText)]
else:
texts = [txt for txt in list(labeled_instances.targetTitle)]
for k in ngrams_no_clickbait.keys():
for ngram in ngrams_no_clickbait[k]:
all_ngrams[ngram] = all_ngrams.get(ngram,
0) + ngrams_no_clickbait[k][ngram]
THRESHOLD = 5
filtered_ngrams = {}
for ngram in all_ngrams:
if all_ngrams[ngram] >= THRESHOLD:
filtered_ngrams[ngram] = all_ngrams[ngram]
labeled_instances = get_labeled_instances(
"../train_set/instances_converted_big.pickle",
"../train_set/truth_converted_big.pickle")[[
'truthClass', 'postText', 'id'
]]
postTexts = list(labeled_instances.postText)
ids = list(labeled_instances.id)
dict_list = []
for idx, post_text in enumerate(postTexts):
print(idx)
post_text = post_text[0]
post_dict = {x: 0 for x in filtered_ngrams.keys()}
post_dict['id'] = ids[idx]
ngrams = get_all_ngrams_for_post(post_text)
for ngram in ngrams:
if ngram in post_dict:
post_dict[ngram] += 1
