Treemap
Hierarchical part-to-whole.
Data Shape
path (1–3 levels), value
Prompt Patterns
- Revenue by department > category > subcategory YTD treemap.
- Storage_usage_gb by region > cluster current month treemap.
Best Practices
- Limit depth (≤3).
- Provide meaningful hierarchy order.
Common Mistakes
- Using for flat list (prefer bar).
- Too many small nodes (aggregate tail).