edgeData-methods: Get and set attributes for the edges of a graph object
Description
Attributes of the edges of a graph can be accessed using
edgeData
. The attributes must be defined using
edgeDataDefaults
. You can ommit the from
or
to
argument to retrieve attribute values for all edges to
(respectively, from) a given node.
Usage
edgeData(self, from, to, attr)
edgeData(self, from, to, attr) <- value
Arguments
self
A graph-class
instance
from
A character
vector of node names
to
A character
vector of node names
attr
A character
vector of length one specifying the
name of a node attribute
value
An R object to store as the attribute value