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From |
Nick Cox <n.j.cox@durham.ac.uk> |

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

Subject |
st: RE: RE: Transform source table to edgelist (or nodelist) |

Date |
Mon, 20 Feb 2012 12:25:00 +0000 |

Sorry, no; that's a different problem. Nick n.j.cox@durham.ac.uk -----Original Message----- From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Nick Cox Sent: 20 February 2012 10:54 To: 'statalist@hsphsun2.harvard.edu' Subject: st: RE: Transform source table to edgelist (or nodelist) This looks like an FAQ http://www.stata.com/support/faqs/data/pairs.html although I suspect there is a less clumsy way to approach it. Nick n.j.cox@durham.ac.uk Steve Sauerwald I have a source table that contains manager/firm information. A manager can work for M companies and a company can have N managers. For instance, the following table shows 2 firms (FID 1 and 2) and four managers (MID A, B, C, and D). FID MID 1 A 1 B 1 C 2 A 2 B 2 D Now, I'd like to create the interlocking relationships between managers. If two managers work together in the same firm (or in more than one firm), this would indicate a "1." If not, a "0." The end result should be an adjacency matrix but I'd be happy to get to an edgelist first such as the following: MID1 MID2 CONNECT A B 1 A C 1 A D 1 B C 1 B D 1 C D 0 Based on the information in the source table, manager C and manager D are not connected in either firm 1 or 2, hence the 0. My actual source table contains quite a few records so it would be great to automate this process. Does anyone have an idea of how to implement this in Stata? Alternatively, the UCLA Stata website (http://www.ats.ucla.edu/stat/stata/code/adj_matrix.htm) shows some code to transform a nodelist into an adjacency matrix (If someone knows a way to transform my source table into a nodelist, that'd be also a great help). * * 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/ * * 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/

**Follow-Ups**:**Re: st: RE: RE: Transform source table to edgelist (or nodelist)***From:*Robert Picard <picard@netbox.com>

**References**:**st: Transform source table to edgelist (or nodelist)***From:*Steve Sauerwald <steve.sauerwald@utdallas.edu>

**st: RE: Transform source table to edgelist (or nodelist)***From:*Nick Cox <n.j.cox@durham.ac.uk>

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