Definitions, network representations, program Pajek

1. Network
   • definition
   • representation (matrix, graph)
2. Types of networks
   • undirected networks
   • directed networks
   • mixed networks
   • 2-mode networks
3. Size and density
   • small and large networks
   • sparse and dense networks
   • network density
4. Program Pajek
   • description of networks in input file
   • arcs, edges
   • arcslist, edgeslist
   • matrix
   • other formats
   • interactive definition of networks
   • network layouts
     • automatic drawing
     • manual drawing

   Examples

   1. Definition of networks in input file, interactive definitions of selected network, getting layouts in program Pajek.

   Assignment

   1. Students get their own network, define it in input file, draw it, find out number of arcs and edges and density of network.

   Literature

   1. Journal of Social Structure
   2. Degenne, A. in Forse, M. (1999): Introducing Social Networks. Sage Publications Ltd.
   3. Doreian, P., Batagelj, V. in Ferligoj, A. (1999): Clustering Networks: A Generalized Blockmodeling Approach (not published yet).
   4. Scott, J. (2000): Social Network Analysis. Sage Publications Ltd.
   5. Wasserman, S. in Faust, K. (1994): Social Network Analysis. Methods and Applications. New York: Cambridge University Press.

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   Slides (PDF), Test networks (ZIP)