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If I calculate hub scores for nodes in a network and set "scale = TRUE", are the highest and lowest hub scores always 1 and 0?

原文 2023-01-12 12:03:33 9 1 r/ igraph

I want to calculate hub scores for nodes in a.network. I'm using igraph in R and the function "hub_score". Within this function is the argument "scale" which can be set to TRUE or FALSE. If I set it to TRUE, is the highest hub score in the.network always 1 and the lowest hub score always 0?

I'm confused because I get 1 as highest value. But for example in "Fowler et al. 2007. Social Networks in Political Science: Hiring and Placement of Ph.Ds, 1960-2002" they got 0.52 as highest value.

1 answers

Since hub (and authority) scores are the entries of an eigenvector, their magnitude is meaningless in isolation. The value assigned to a vertex is only meaningful in relation to the values of other vertices in the same graph.

scale=TRUE normalizes the hub score vector, ie multiplies it by an appropriate constant, so that the largest value (in magnitude) would be 1.

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Related Question Calculate the percentile rank of a set of scores based on a population How can I calculate factor scores with R? Calculate scores across columns Calculate Weighted Scores Across Rows How to calculate differences scores with R? Why nodes(vertices) in peripheral positions have higher betweenness centrality scores after plotting on the igraph network visualization? Igraph Identifying nodes based on centrality scores Calculate readability scores for several files with R Calculate differences scores between rows in a group_by Using envfit (vegan) to calculate species scores

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If I calculate hub scores for nodes in a network and set "scale = TRUE", are the highest and lowest hub scores always 1 and 0?

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solution1 1 ACCPTED 2023-01-12 13:00:15

solution1
1 ACCPTED 2023-01-12 13:00:15