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...s and a replay at this link.) http://bit.ly/dqr1hc linked to another method of mapping your Twitter social network with R. http://bit.ly/bVI6e9 linked to a video by JD Long on using the Amazon Elastic Map-Reduce system to run large-scale map-reduce calculations in the cloud with R. http://bit.ly/auZ7N8 announced Revolution Analytic's development roadmap for 2010. There are new R user groups in Boston (http://bit.ly/cHedm0) and Atlanta (http://bit.ly/aVo1cI). Also, http://bit.ly/a82GAf noted the list of local R User Groups worldwide at MeetUp.com, and how you can request a new group in your a...