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1572793 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | import nltk
from nltk.sentiment.vader import SentimentIntensityAnalyzer
import pandas as pd
# Download VADER lexicon if not already available
try:
nltk.data.find('sentiment/vader_lexicon.zip')
except LookupError:
nltk.download('vader_lexicon')
def analyze_sentiment_vader(reviews):
sia = SentimentIntensityAnalyzer()
results = []
for review in reviews:
score = sia.polarity_scores(review)
results.append(score)
sentiment_df = pd.DataFrame(results)
return sentiment_df
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