Hello,
I have been scratching my head in trying to understand the result of a
one-mode projection of a bipartite graph.
This is the bipartite graph
> graph_bi
IGRAPH DN-B 154625 448384 --
and after bipartite.projection(graph_bi) these are the two projections
> graph_onemode$proj1
IGRAPH UNWB 79186 13259012 --
> graph_onemode$proj2
IGRAPH UNWB 75439 50375826 --
Now, my intuition doesn't help here. Simply, How is possible that the
number of edges in the two projections increases by 29 and 112 times
respectively?
I am probably missing something here but as I understand the one-mode
projection the number of edges should actually decrease. A-B and B-C
(where A and C are type 1 nodes and B is a type 2 node) should be
projected to A-C thus halving the number of edges...
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