14 Clustering - solution

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Text Mining Course: Visualization, Clustering, and Topic Modeling (solution)

- Compute pairwise cosine distances.
- Apply hierarchical clustering.
- View dendrogram to find out the number of clusters (k).
- Assign k clusters.
- Apply k-Medoids with k as number of clusters.
- Use the component composite view to select documents of one cluster in dendrogram, hilite them, and inspect data in a table view.

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

Nodes

• Hierarchical Cluster Assigner (JavaScript)2 ×
• Table Reader2 ×
• Table View (JavaScript)2 ×
• Bag Of Words Creator1 ×
• Case Converter1 ×
• Show all 23 nodes

Extensions

• FeatureKNIME Base nodes
• FeatureKNIME Distance Matrix
• FeatureKNIME JavaScript Views
• FeatureKNIME JavaScript Views (Labs)
• FeatureKNIME Textprocessing

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