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arpitavbhosale
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a comprehensive WhatsApp Chat Sentiment Analysis implementation that includes:

Features

  • WhatsApp chat file parsing with support for multiline messages
  • Sentiment analysis using NLTK's VADER sentiment analyzer
  • Visualization of sentiment distribution (Positive, Negative, Neutral)
  • Support for emoji handling and special character processing

Technical Implementation

  • Regular expression-based date/time parsing
  • Pandas DataFrame structure for organized data management
  • Matplotlib visualization for sentiment results
  • Proper handling of both 12-hour time formats

Files Added

  • Whatsapp Chats Sentiment Analysis.ipynb - Main implementation notebook
  • README.md - Comprehensive documentation

Testing

The implementation has been tested with:

  • Various WhatsApp chat export formats
  • Messages containing emojis and special characters
  • Multiline message handling

This implementation provides a solid foundation for WhatsApp chat analysis with extensible architecture for additional features.
Screenshot 2025-08-24 195928

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