create_graphs

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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

Aliases
  • create_graphs
  • create_ring
  • create_path
  • create_chordal_ring
  • create_de_bruijn
  • create_empty
  • create_bipartite
  • create_citation
  • create_complete
  • create_notable
  • create_kautz
  • create_lattice
  • create_star
  • create_tree
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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