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36
run.py
36
run.py
@ -1,11 +1,11 @@
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from nltk import trigrams, word_tokenize
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from nltk import tris, word_tokenize
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import pandas as pd
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import csv
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import regex as re
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from collections import Counter, defaultdict
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train_set = pd.read_csv(
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train = pd.read_csv(
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'train/in.tsv.xz',
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sep='\t',
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on_bad_lines='skip',
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@ -14,7 +14,7 @@ train_set = pd.read_csv(
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nrows=50000)
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train_labels = pd.read_csv(
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labels = pd.read_csv(
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'train/expected.tsv',
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sep='\t',
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on_bad_lines='skip',
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@ -28,7 +28,7 @@ def data_preprocessing(text):
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def predict(before, after):
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prediction = dict(Counter(dict(trigram[before, after])).most_common(5))
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prediction = dict(Counter(dict(tri[before, after])).most_common(5))
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result = ''
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prob = 0.0
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for key, value in prediction.items():
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@ -52,28 +52,28 @@ def make_prediction(file):
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file_out.write(prediction + '\n')
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train_set = train_set[[6, 7]]
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train_set = pd.concat([train_set, train_labels], axis=1)
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train_set['line'] = train_set[6] + train_set[0] + train_set[7]
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train = train[[6, 7]]
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train = pd.concat([train, labels], axis=1)
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train['line'] = train[6] + train[0] + train[7]
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trigram = defaultdict(lambda: defaultdict(lambda: 0))
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tri = defaultdict(lambda: defaultdict(lambda: 0))
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rows = train_set.iterrows()
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rows_len = len(train_set)
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rows = train.iterrows()
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rows_len = len(train)
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for index, (_, row) in enumerate(rows):
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text = data_preprocessing(str(row['line']))
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words = word_tokenize(text)
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for word_1, word_2, word_3 in trigrams(words, pad_right=True, pad_left=True):
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for word_1, word_2, word_3 in tris(words, pad_right=True, pad_left=True):
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if word_1 and word_2 and word_3:
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trigram[(word_1, word_3)][word_2] += 1
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tri[(word_1, word_3)][word_2] += 1
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model_len = len(trigram)
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for index, words_1_3 in enumerate(trigram):
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count = sum(trigram[words_1_3].values())
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for word_2 in trigram[words_1_3]:
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trigram[words_1_3][word_2] += 0.25
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trigram[words_1_3][word_2] /= float(count + 0.25 + len(word_2))
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model_len = len(tri)
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for index, words_1_3 in enumerate(tri):
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count = sum(tri[words_1_3].values())
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for word_2 in tri[words_1_3]:
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tri[words_1_3][word_2] += 0.25
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tri[words_1_3][word_2] /= float(count + 0.25 + len(word_2))
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make_prediction('test-A')
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