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Applied Network Science

Table 6 Several pairs of strong correlations between node position and node feature on a referral path

From: Referral paths in the U.S. physician network

Node position measure

Node feature about referral path

Correlation coefficient

Betweenness centrality

#paths with the node

0.607

PageRank centrality

#paths with the node

0.852

PageRank centrality

#paths with multiple occurrences

0.740

h-index

#paths with the node

0.783

h-index

#cross-PHN referral proposed by the physician

0.640

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