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***** To join INSNA, visit http://www.insna.org ***** Dear Social Networks Researchers: In late July I asked you for help in finding data about a histogram of daily personal contacts that people have. Thanks to your unselfish helping suggestions, I found the closest citations to what I need in my research: Fu, Yang-chih, "Measuring personal networks with daily contacts: a single-item survey question and the contact diary," Social Networks 27 (2005) 169-186. Fu, Yang-chih, "Contact diaries: building archives of actual and comprehensive personal networks." Field Methods (forthcoming), 2006. I now have another request: I need a corresponding histogram for trips taken by USA residents, by conveyance type (car, air, bus, train, public transportation) and by distance of trip. Example: So many trips by air are taken each year, and the frequency distribution by distance is as follows: etc., etc. Do any of you know where I might find such data? Thanks. --Dick Larson, M.I.T. _____________________________________________________________________ SOCNET is a service of INSNA, the professional association for social network researchers (http://www.insna.org). To unsubscribe, send an email message to [log in to unmask] containing the line UNSUBSCRIBE SOCNET in the body of the message.