Cécile Armand (Ecole Normale Supérieure de Lyon)
This document presents an effective approach for handling two-mode networks, utilizing the concept of 'place' or structural equivalence as its fundamental framework. It primarily relies on the 'Places' and 'igraph' R packages. To illustrate this method, it employs an edge list representing students and their respective universities in the United States. The data source for this analysis is derived from the directory of an alumni club, specifically the American University Club of Shanghai, which was originally published in 1936. The document proceeds through four main steps: (1) identification of places from the edge list, (2) transformation of the list of places into a network of places, along with its transposed network of universities, (3) visualization and analysis of the network, including community detection, and (4) the introduction of a more flexible approach grounded in the concepts of regular equivalence or k-places.
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