Reference index / 흐름·전환·연결
Sankey Diagram
Encodes quantities moving between nodes as flow-band widths.
When to use it
Use when designing flow, conversion & networks and selecting analytical visualizations.
Caveats and distinctions
Flow and node totals need consistent aggregation rules.
Implementation and classification
데이터 시각화 / 흐름·전환·연결
Sources and verification status
https://vega.github.io/vega-lite/examples/
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