I suggest you use symbolic IDs, i.e. vertex names instead of the internal numeric ids.
GAbor On Fri, Mar 13, 2015 at 12:42 PM, Daniele Rotolo <[email protected]> wrote: > Hello, > > I have publication data as follows: > > *Organization_name Publication_id Publication_Year* > > Organization 1 001 2013 > > Organization 2 001 2013 > > Organization 1 002 2012 > > Organization 3 002 2012 > > ... > > > I can easily convert this 2-mode network (Organization-Publication) in a > 1-mode network (Organization-Organization) by using R and then graph. I > managed to do this also over time, by filtering the 2-mode network by date. > However, this approach inevitably assignes different IDs to the same > organization over time. I would like instead to produce networks that have > a constant number of nodes (i.e. nodes' IDs remain the same across time) > where nodes can leave and join the network as well as edges can change over > time. > > Any suggestion on how to do structure the data in this way? > > Many thanks! > Daniele > > _______________________________________________ > igraph-help mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/igraph-help > >
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