wrappers {giRaph} | R Documentation |
Provide short-hands for vertex set and edge construction.
v(...) u(...) d(...) r(...)
... |
unique vertex identifiers (should be characters for v
and strictly positive integers for u ,d and r ) |
Function d
builds a directed edge from tail to head,
function r
builds a directed edge from head to tail.
Function v
returns an object of class "vertexSet"
.
Function u
returns an object of class "undirectedEdge"
.
Both functions d
and r
return an object of class "directedEdge"
.
Jens Henrik Badsberg, Claus Dethlefsen, Luca La Rocca
vertexSet-class
,
undirectedEdge-class
and
directedEdge-class
.