03_​Sentiment_​Classification

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Sentiment Analysis (Classification) of Documents

This workflow shows how to import text from a csv file, convert it to documents, preprocess the documents and transform them into numerical document vectors. Finally two predictive models are trained on the vectors to predict the sentiment class of the documents.

URL: Sentiment Classification of Documents http://www.knime.org/blog/sentiment-analysis
URL: Read more about "Lexicon-based sentiment analysis: A tutorial" https://www.knime.com/blog/lexicon-based-sentiment-analysis

Nodes

• Column Filter2 ×
• Scorer2 ×
• Bag Of Words Creator1 ×
• CSV Reader1 ×
• Case Converter1 ×
• Show all 28 nodes

Extensions

• FeatureKNIME Base nodes
• FeatureKNIME JavaScript Views
• FeatureKNIME Javasnippet
• FeatureKNIME Textprocessing
• FeatureKNIME XGBoost Integration

Links

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