Edge {rdecision}

An edge in a graph

Description

An R6 class representing an edge in a graph.

Details

Edges are the formal term for links between pairs of nodes in a graph. A base class.

Methods

Public methods

• Edge$new()

• Edge$is_same_edge()

• Edge$endpoints()

• Edge$label()

• Edge$clone()

Method new()

Create an object of type Edge.

Usage

Edge$new(v1, v2, label = "")

Arguments

v1

Node at one endpoint of the edge.

v2

Node at the other endpoint of the edge.

label

Character string containing the edge label.

Returns

A new Edge object.

Method is_same_edge()

Is this edge the same as the argument?

Usage

Edge$is_same_edge(e)

Arguments

e

edge to compare with this one

Returns

TRUE if e is also this one.

Method endpoints()

Retrieve the endpoints of the edge.

Usage

Edge$endpoints()

Returns

List of two nodes to which the edge is connected.

Method label()

Access label.

Usage

Edge$label()

Returns

Label of the edge; character string.

Method clone()

The objects of this class are cloneable with this method.

Usage

Edge$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

Author(s)

Andrew J. Sims [e-mail]