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Questions tagged [node-centrality]

23 questions
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Why nodes(vertices) in peripheral positions have higher betweenness centrality scores after plotting on the igraph network visualization?

I calculated the betweenness centrality for a matrix using the 'igraph' package and obtained the scores. After plotting the network, I found that nodes (vertices) that are in the peripheral positions of the network have higher betweenness centrality…
eva
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networkx graphing betweenness and eigenvector centrality

I am having trouble with the values coming out of eigenvector and betweenness centralities when trying to graph the distributions. Currently when graphing it shows negative values of around 0.4 to 0.0 when there clearly aren't any negative values in…
laurimikhael
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Networkx - Katz centrality in projected graphs

I have the following bipartite network image I'm trying to reproduce: I tried: bi_graph = nx.Graph() bi_graph.add_edges_from([(1,"a"), (2,"a"), (2,"b"), (3,"a"), (3,"b"), (4,"b"), (4,"c"), (5,"b"), (5,"d"), (6,"c"), (6,"d"), (7, "d")]) pos =…
8-Bit Borges
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betwenness centrality in larg graph

I have a dataset with 30000 nodes and many edges. I can't get output with betwenness centrality and closeness in python. I get a VM with high config and try it but don't give output. Is there any way to run and get output for centrality?
raana sh
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Why is Neo4j not recognizing the degree centrality query?

For some reason Neo4j is not recognizing degree centrality on a projection in GDS. I run this query: CALL gds.degree.stream('influence_graph', { relationshipWeightProperty: 'score' }) YIELD nodeId, score RETURN gds.util.asNode(nodeId).name AS name,…
CowCookie
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What is the best way to calculate centralities for a single node in networkx?

I am able to calculate different kinds of centralities such as degree, betweenness, closeness, and eigenvector for all the nodes in graph G. For instance, this code calculates the betweenness centrality for all of the included nodes of graph…
Hamed Baziyad
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Visualization graph by centralities

I computed betweenness centralities of nodes in python igraph and saved it in csv file. Now i want to visual it in python and igraph library or gephi ,by centralities. How can i do it?
Beiginner
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