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Multiple factor analysis for time-varying two-mode networks

Published online by Cambridge University Press:  12 February 2015

GIANCARLO RAGOZINI
Affiliation:
Department of Political Science, University of Naples Federico II, Naples, Italy (e-mail: giancarlo.ragozini@unina.it)
DOMENICO DE STEFANO
Affiliation:
Department of Political and Social Sciences DiSPeS, University of Trieste, Trieste, Italy (e-mail: ddestefano@units.it)
MARIA ROSARIA D'ESPOSITO
Affiliation:
Department of Economics and Statistics, University of Salerno, Fisciano, Italy (e-mail: mdesposito@unisa.it)

Abstract

Most social networks present complex structures. They can be both multi-modal and multi-relational. In addition, each relationship can be observed across time occasions. Relational data observed in such conditions can be organized into multidimensional arrays and statistical methods from the theory of multiway data analysis may be exploited to reveal the underlying data structure. In this paper, we adopt an exploratory data analysis point of view, and we present a procedure based on multiple factor analysis and multiple correspondence analysis to deal with time-varying two-mode networks. This procedure allows us to create static displays in order to explore network evolutions and to visually analyze the degree of similarity of actor/event network profiles over time while preserving the different statuses of the two modes.

Information

Type
Research Article
Copyright
Copyright © Cambridge University Press 2015 

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