Graphics Reference
In-Depth Information
Figure 2-15:
Chord diagrams show reciprocal flow between entities. Here,
all reported trade of goods between countries is represented by width of
link at the exporting country. Color flags trade imbalance.
Data courtesy of DESA/UNSD, United Nations Comtrade database.
Spatial Networks
Graphs are also clearly a natural choice for showing spatial network data. In
a
spatial network
, nodes already have a meaningful real-world location,
which is often a communication advantage if nodes are familiar. One of
