cocitation
siply counts how many types two vertices
are cocited. The bibliographic coupling of two vertices is the number
of other vertices they both cite, bibcoupling
calculates this.cocitation(graph, v=igraph.vs.all(graph))
bibcoupling(graph, v=igraph.vs.all(graph))
length(v)
lines and vcount(graph)
columns. Element (i,j)
contains the cocitation or bibliographic
coupling for vertices v[i]
and j
.cocitation
calculates the cocitation counts for the vertices in the
v
argument and all vertices in the graph. bibcoupling
calculates the bibliographic coupling for vertices
in v
and all vertices in the graph.
Calculating the cocitation or bibliographic coupling for only one vertex costs the same amount of computation as for all vertices. This might change in the future.
g <- graph.ring(10)
cocitation(g)
bibcoupling(g)
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