The spnet package offers methods for dealing with spacial social networks. It allows to plot networks for which actors have a specific location on a map (participants in a political debate, cities, etc.). SpatialPolygons objects from the sp package are supported.
Rousseaux E., Deville M. and Ritschard G. (2014), "The SPNET package: Plotting social networks on maps with R", In 3<c3><a8>mes Rencontres R, Montpellier, France, June 25-27th.
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