subtract_edge | R Documentation |
Subtract Edges from an Adjacency List
subtract_edge(adj, v1, v2, ids = NULL, zero = TRUE)
adj |
list of adjacent precincts |
v1 |
vector of vertex identifiers for the first vertex. Can be an
integer index or a value to look up in |
v2 |
vector of vertex identifiers for the second vertex. Can be an
integer index or a value to look up in |
ids |
A vector of identifiers which is used to look up the row indices
for the vertices. If provided, the entries in |
zero |
boolean, TRUE if |
adjacency list.
data(towns)
adj <- adjacency(towns)
subtract_edge(adj, 2, 3)
subtract_edge(adj, "West Haverstraw", "Stony Point", towns$MUNI)
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