Analysing Exponential Random Graph (p-star) Models with Missing Data Using Bayesian Data Augmentation * Johan Koskinen † , Garry Robins, and Philippa Pattison MelNet Social Networks Laboratory Technical Report 08–04 Department of Psychology, School of Behavioural Science University of Melbourne, Parkville Victoria 3010, Australia November 28, 2008 * Previous versions were presented at the Sunbelt XXVII, International Sunbelt Social Network Conference, 8th, on Corfu Island, Greece; and at The 8th Asia-Pacific Complex Systems Conference, July 2-5, 2007, Surfers Paradise, Gold Coast, QLD, Australia; the authors have benefitted from numerous comments and suggestions received at these occasions. † The work of Johan Koskinen was funded by the Defence Science and Technology Organisation. E-mail: johank@unimelb.edu.au. 1