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From |
"Victor, Jennifer Nicoll" <jnvictor@pitt.edu> |

To |
"'statalist@hsphsun2.harvard.edu'" <statalist@hsphsun2.harvard.edu> |

Subject |
st: convert adjacency to edgelist |

Date |
Fri, 13 Feb 2009 16:25:36 -0500 |

Hello Stata users, I have a 438x438 adjacency matrix (symmetrical, non-directed) where the cells are the number of connections between each i,j pair (the pairs are members of congress and the connections are the number of caucuses each pair is in). I have it in Excel format, csv format, and Stata format. I also have it in Stata as a dyadic dataset with attribute variables (N=95,703). I want to convert either the dyadic data or the adjacency matrix to an edgelist that I could import into R (igraph) or NodeXL or TouchGraph so that I can make a network graph or two, but I need an edgelist to import into those programs. My goal is to make a network graph where I can show that party leaders are more central in the network than non-party leaders (two of my attributes are party leaders and centrality scores). I'm wondering if I could write some Stata code that would allow me to convert one dataset or the other into an edgelist. But I don't know how to do that. Advice? [Note: Perhaps I'd be better off trying to do this in R, but I'm much more comfortable in Stata than in R--I'm still quite a novice there. If some people on this list think this is easy to do in R and know how, I'm all ears and willing to work through it.] Thanks! ___________________________________________ Jennifer Nicoll Victor Assistant Professor Department of Political Science University of Pittsburgh jnvictor@pitt.edu * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

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