create_graphs

From tidygraph v1.1.2 by Thomas Pedersen

Create different types of well-defined graphs

These functions creates a long list of different types of well-defined graphs, that is, their structure is not based on any randomisation. All of these functions are shallow wrappers around a range of igraph::make_* functions but returns tbl_graph rather than igraph objects.

Usage

create_ring(n, directed = FALSE, mutual = FALSE)
create_path(n, directed = FALSE, mutual = FALSE)
create_chordal_ring(n, w)
create_de_bruijn(alphabet_size, label_size)
create_empty(n, directed = FALSE)
create_bipartite(n1, n2, directed = FALSE, mode = "out")
create_citation(n)
create_complete(n)
create_notable(name)
create_kautz(alphabet_size, label_size)
create_lattice(dim, directed = FALSE, mutual = FALSE,
  circular = FALSE)
create_star(n, directed = FALSE, mutual = FALSE, mode = "out")
create_tree(n, children, directed = TRUE, mode = "out")

Arguments

n, n1, n2: The number of nodes in the graph
directed: Should the graph be directed
mutual: Should mutual edges be created in case of the graph being directed
w: A matrix specifying the additional edges in the chordan ring. See igraph::make_chordal_ring()
alphabet_size: The number of unique letters in the alphabet used for the graph
label_size: The number of characters in each node
mode: In case of a directed, non-mutual, graph should the edges flow 'out' or 'in'
name: The name of a notable graph. See a complete list in igraph::make_graph()
dim: The dimensions of the lattice
circular: Should each dimension in the lattice wrap around
children: The number of children each node has in the tree (if possible)

Value

A tbl_graph

Functions

create_ring: Create a simple ring graph
create_path: Create a simple path
create_chordal_ring: Create a chordal ring
create_de_bruijn: Create a de Bruijn graph with the specified alphabet and label size
create_empty: Create a graph with no edges
create_bipartite: Create a full bipartite graph
create_citation: Create a full citation graph
create_complete: Create a complete graph (a graph where all nodes are connected)
create_notable: Create a graph based on its name. See igraph::make_graph()
create_kautz: Create a Kautz graph with the specified alphabet and label size
create_lattice: Create a multidimensional grid of nodes
create_star: Create a star graph (A single node in the center connected to all other nodes)
create_tree: Create a tree graph

Examples

# NOT RUN {
# Create a complete graph with 10 nodes
create_complete(10)

# }

Documentation reproduced from package tidygraph, version 1.1.2, License: MIT + file LICENSE

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