Description Usage Arguments Details Value Author(s) References See Also Examples
Returns a "mathgraph" object which has all edges directed.
1  | alldirected(x, ...)
 | 
x | 
 an object representing a mathematical graph.  | 
... | 
 other arguments for derived functions.  | 
The default method merely creates an error.
A "mathgraph" object with any undirected edges in the 
input split into two arcs.
Nick Efthymiou
S Poetry, Patrick J. Burns, Section 13.3, p. 305
1 2  | my.graph <- mathgraph(~ 1:3 / 2:4) # undirected graph with 3 edges
alldirected(my.graph) # directed graph with 6 arcs
 | 
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