preprocessing script
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sample_data.xlsx
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sample_data.xlsx
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scripts/preprocessing.py
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scripts/preprocessing.py
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import pandas as pd
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import string, re
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from nltk.tokenize import word_tokenize
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from nltk.corpus import stopwords
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import nltk
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from nltk.stem import PorterStemmer, WordNetLemmatizer
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from sentence_transformers import SentenceTransformer
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nltk.download('wordnet')
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nltk.download('punkt_tab')
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nltk.download('stopwords')
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stop_words = set(stopwords.words('english'))
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stemmer = PorterStemmer()
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lemmatizer = WordNetLemmatizer()
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model = SentenceTransformer('sentence-transformers/all-MiniLM-L6-v2')
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df = pd.read_excel('C:\\Users\\ishaa\\OneDrive\\Documents\\MSU\\Spring 2026\\Data mining\\Project\\sample_data.xlsx', engine='openpyxl')
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def clean_text(text):
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text = text.lower()
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text = text.translate(str.maketrans('', '', string.punctuation)) # Remove punctuation
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text = re.sub(r'\W', ' ', text) # Remove special characters
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text = ([word for word in word_tokenize(text) if word not in stop_words])
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text = [stemmer.stem(word) for word in text]
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text = ' '.join(lemmatizer.lemmatize(word) for word in text)
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return text
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# print(df.columns)
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df['preprocessed'] = df['Plot'].apply(clean_text)
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sample_plot = df['preprocessed'][0]
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print(sample_plot)
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embeddings = model.encode(sample_plot)
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print(embeddings)
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@@ -9,8 +9,8 @@ headers = {
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params = {
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params = {
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"action": "query",
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"action": "query",
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"format": "json",
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"format": "json",
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"titles": "Godfather",
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"prop": "extracts",
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"prop": "extracts",
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"titles": "Interstellar",
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"explaintext": True,
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"explaintext": True,
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"redirects": 1
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"redirects": 1
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}
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}
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@@ -19,12 +19,14 @@ response = requests.get(url, headers=headers, params=params)
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print("Status:", response.status_code)
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print("Status:", response.status_code)
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print("Content-Type:", response.headers.get("content-type"))
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print("Content-Type:", response.headers.get("content-type"))
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print("First 200 chars:\n", response.text[:200])
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print("First 200 chars:\n", response.text[:1000])
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data = response.json()
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data = response.json()
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pages = data["query"]["pages"]
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pages = data["query"]["pages"]
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page = next(iter(pages.values()))
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page = next(iter(pages.values()))
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print("\nTitle:", page["title"])
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print("\nTitle:", page["title"])
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print("\nPreview:\n", page["extract"][:500])
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print("\nPreview:\n", page["extract"])
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