backbone: An R package to extract network backbones

Zachary P Neal

PLOS ONE, 2022, vol. 17, issue 5, 1-24

Abstract: Networks are useful for representing phenomena in a broad range of domains. Although their ability to represent complexity can be a virtue, it is sometimes useful to focus on a simplified network that contains only the most important edges: the backbone. This paper introduces and demonstrates a substantially expanded version of the backbone package for R, which now provides methods for extracting backbones from weighted networks, weighted bipartite projections, and unweighted networks. For each type of network, fully replicable code is presented first for small toy examples, then for complete empirical examples using transportation, political, and social networks. The paper also demonstrates the implications of several issues of statistical inference that arise in backbone extraction. It concludes by briefly reviewing existing applications of backbone extraction using the backbone package, and future directions for research on network backbone extraction.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0269137

DOI: 10.1371/journal.pone.0269137

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