Add vertices to a graph — add.vertices • igraph

add.vertices() was renamed to add_vertices() to create a more consistent API.

Usage

add.vertices(graph, nv, ..., attr = list())

Arguments

graph: The input graph.
nv: 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.
attr: A named list, its elements will be added as vertex attributes, for the newly added vertices. See also details below.

add_vertices(), vcount()