43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
import pandas as pd
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from sklearn.model_selection import train_test_split
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def main():
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data = pd.read_csv('Amazon_Consumer_Reviews.csv', header=0, sep=',')
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columns = ['reviews.date', 'reviews.numHelpful', 'reviews.rating', 'reviews.doRecommend']
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string_columns = ['name', 'categories', 'primaryCategories', 'manufacturer', 'reviews.title',
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'reviews.username', 'reviews.text']
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data = data[string_columns + columns]
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for c in string_columns:
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data[c] = data[c].str.lower()
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# print("Empty rows summary:")
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# print(data.isnull().sum())
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# data["reviews.title"].fillna("No title", inplace = True)
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# print(data.isnull().sum())
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data.to_csv('data.csv')
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train, test = train_test_split(data, train_size=0.6, random_state=1)
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test, dev = train_test_split(test, test_size=0.5, random_state=1)
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test.to_csv('test.csv')
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train.to_csv('train.csv')
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dev.to_csv('dev.csv')
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print("\n\nMean reviews rating for each primary category: ")
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print(data[["primaryCategories", "reviews.rating"]].groupby("primaryCategories").mean())
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print("\n\nCounted primary categories: ")
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print(data["primaryCategories"].value_counts())
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print("\n\nGeneral data statistics: ")
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print(data.describe(include='all'))
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if __name__ == '__main__':
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main()
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