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Network diagrams are visualizations that depict the relationships (edges) between a set of nodes (vertices). Edges can be undirected or directed
Scimago Graphica can work with standard graph formats such as GML or GraphML, but also with its specific format (see sample data) or even with simple edge lists.
Once the data has been loaded, we simply have to choose a layout algorithm (in Marks → Layout) to visually arrange the nodes in an ordered way.
Among the layout algorithms available are: