con_view() no longer requires a response variable.
con_concur() can now optionally return the concurrence matrix instead of the plot (D.Wright).
New function con_concur suggested by E.Tanaka.
Initial CRAN submission.
License GPL3 for S.Callistein.
con_filter() began as minPer() before 2012-01-01.
con_view() began as heat() before 2013-01-01.