'Advanced Network Analysis / Pajek: Large ... - Vladimir Batagelj

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V. Batagelj: Analysis and visulization of large networks with Pajek 109 ✬ ✫ EU projects – deleted projects Some projects (27) from original data set have to be deleted – in the final data set RuthDELmain they were marked as deleted. When producing two-mode networks we could first physicaly delete them. Instead of this, we used another approach: we produced the cluster CD of deleted idents and from it a two-mode matrix D (idents × idents; not implemented yet in Pajek). Matrix D is a ’diagonal’ matrix with value 1 for idents not belonging to CD and 0 otherwise. Using matrix D we can determine the network ProjInst.net by W = P T ⋆ D ⋆ U – the deleted idents don’t contribute to the network. Methodenforum der Fakultät für Sozialwissenschaften, Universität Wien, 21-22. 6. 2007 ▲ ❙ ▲ ▲ ● ❙ ▲ ▲ ☛ ✖ ▲ ✩ ✪
V. Batagelj: Analysis and visulization of large networks with Pajek 110 ✬ ✫ Analysis of ProjInst.net For identifying important parts of ProjInst.net we first computed the 4-rings weights and in the obtained network we determined the line islands Net/Count/4-rings/Undirected Net/Partitions/Islands/Line Weights[Simple [2,200] We obtain 101 islands. We extracted 18 islands of the size at least 5. There are two most important islands: aviation companies and car companies. In labels we used a new option \n. For analysis of two-mode networks we can use also (p, q)−cores. Methodenforum der Fakultät für Sozialwissenschaften, Universität Wien, 21-22. 6. 2007 ▲ ❙ ▲ ▲ ● ❙ ▲ ▲ ☛ ✖ ▲ ✩ ✪
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'Advanced Network Analysis / Pajek: Large ... - Vladimir Batagelj

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