Round setup and algorithm playground
Choose a dataset, challenge style, difficulty, similarity method, and scoring constraints.
Custom article laboratory
Add a fictional article, supply your own language signals, or generate a safe random practice card.
Interactive clustering workspace
Drag article cards into cluster zones. Click a card to inspect its language signals.
Live score
Article inspector
Select an article card to inspect its headline, summary, entities, keywords, sentiment, and similarity scores.
Cluster management
Feedback and learning guide
Review explanations, shared signals, mistakes, and recommended refinements.
Evaluation metrics
Cluster purity, precision, recall, F1, silhouette, efficiency, and outlier detection update after evaluation.
Plotly analytics dashboard
Explore cluster positions, pairwise similarity, keyword frequency, topic distribution, and score history.
Player and algorithm comparison
Compare placements, cluster themes, and confidence scores without replacing your decisions.
| Article | Player cluster | Algorithm suggestion | Confidence | Shared signals |
|---|---|---|---|---|
| Run an algorithm suggestion to populate this comparison. | ||||