ML-based Sentiment Analysis
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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, a predictive models is 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
- Bag Of Words Creator1 ×
- CSV Reader1 ×
- Case Converter1 ×
- Category To Class1 ×
- Color Manager1 ×
- Show all 25 nodes
Extensions
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