10 Classification IV - solution

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Unsupervised learning with a lexicon-driven sentiment predictor:
- Create document cells.
- Tag terms based on sentiment dictionaries.
- Extract and count positive and negative terms.
- Compute sentiment score based on the number of positive and negative terms.
- Predict sentiment labels based on score.
- Score prediction.

URL: Slides KNIME Analytics Platform Text Mining Course https://www.knime.com/form/material-download-registration

Nodes

• CSV Reader3 ×
• Bag Of Words Creator2 ×
• Dictionary Tagger2 ×
• TF2 ×
• Category To Class1 ×
• Show all 18 nodes

Extensions

• FeatureKNIME Base nodes
• FeatureKNIME Javasnippet
• FeatureKNIME Math Expression (JEP)
• FeatureKNIME Textprocessing

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