Journal
SOCIAL NETWORKS
Volume 35, Issue 2, Pages 204-210Publisher
ELSEVIER
DOI: 10.1016/j.socnet.2012.05.004
Keywords
Two-mode networks; Singular value decomposition; Core/periphery; Centrality; Structural equivalence
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There have been two distinct approaches to two-mode data. The first approach is to project the data to one-mode and then analyze the projected network using standard single-mode techniques, also called the conversion method. The second approach has been to extend methods and concepts to the two-mode case and analyze the network directly with the two modes considered jointly. The direct approach in recent years has been the preferred method since it is assumed that the conversion method loses important structural information. Here we argue that this is not the case, provided both projections are used together in any analysis. We illustrate how this approach works using core/periphery, structural equivalence and centrality as examples. (C) 2012 Elsevier B.V. All rights reserved.
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