![]() See Brandes (2008) for details and additional references. This may be of use when those near the end of a path have greater direct control over the flow of influence or resources than those near its source. This variant modifies the standard betweenness score by giving more weight to intermediaries which are closer to their targets (much like proximal source betweenness, above). The shortest-path betweenness of a vertex, \(v\), is given byĬ_B(v) = \sum_.$$ Rescale may cause unexpected results if all actors have zero betweenness. Logical ignore edge values when computing shortest paths? If true, centrality scores are rescaled such that they sum to 1. String indicating the type of betweenness centrality being computed (directed or undirected geodesics, or a variant form - see below).Ī geodist object precomputed for the graph to be analyzed (optional) diag is FALSE by default.īoolean indicating whether or not the theoretical maximum absolute deviation from the maximum nodal centrality should be returned. Set this true if and only if the data can contain loops. gmode is set to "digraph" by default.īoolean indicating whether or not the diagonal should be treated as valid data. "digraph" indicates that edges should be interpreted as directed "graph" indicates that edges are undirected. String indicating the type of graph being evaluated. Vector indicating which nodes are to be included in the calculation.
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