If attributes are supplied, and they are not present in the graph,
their values for the original vertices of the graph are set to
add_vertices(graph, nv, ..., attr = list())
The input graph.
The number of vertices to add.
Additional arguments, they must be named, and they will be added as vertex attributes, for the newly added vertices. See also details below.
A named list, its elements will be added as vertex attributes, for the newly added vertices. See also details below.
The graph, with the vertices (and attributes) added.
Other functions for manipulating graph structure:
g <- make_empty_graph() %>% add_vertices(3, color = "red") %>% add_vertices(2, color = "green") %>% add_edges(c(1,2, 2,3, 3,4, 4,5)) g V(g)[] plot(g)
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