The SCRM program (Short Courses on Research Methods in Cultural Anthropology), supported by the National Science Foundation, offers three, 5-day courses each summer on specialized research methods.
One of those course is Social Network Analysis. Details on this course and on all the methods-training opportunities open to anthropologists at the Methods Mall, here:
The courses in the SCRM program are open to those who have the Ph.D. in cultural anthropology or related discipline. Participants in the courses can either be U.S. citizens residing anywhere in the world or non-U.S. citizens who are working in the U.S.