I thought this survey (discussed in /. ) was interesting, if for no other reason than J being represented on the first page of the description
http://www.eecs.berkeley.edu/~lmeyerov/projects/socioplt/viz/index.html
In step one, note that the example has J checked. APL also is on that
page. In the survey itself APL/J/K are a category.
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For information about J forums see http://www.jsoftware.com/forums.htm
