GeomCircle              Geom for drawing circles in the ggplot2
                        framework
bikes                   Bike sharing network (directed)
blood                   Network of blood types (directed)
email                   Email network (directed)
football                College football games network (undirected)
geom_net                Geom for network visualization within the
                        ggplot2 framework
jtt                     Number of JTTs in a graph
lesmis                  Coappearance network of characters in Les
                        Miserables (undirected)
madmen                  Network of romantic relationships in the TV
                        show Mad Men (undirected)
metro_map               Map of Washington DC Metro area
mm.directed             A directed network of Mad Men relationships
protein                 A protein interaction network (undirected)
soccer                  High school boys' soccer games in Iowa
                        (undirected)
theme_elements          'ggplot2' theme attribute inheritance network
                        (directed)
theme_net               Theme for network visualization
