[R] meaning of asymmetric on help page for intersect

Carlos J. Gil Bellosta cgb at datanalytics.com
Tue Jan 13 17:04:20 CET 2009


Hello,

The symmetric set difference of A and B is the set of elements in A or B
but not in A intersection B, i.e., ( (A U B) \ (A intersection B) ).

The asymmetric set difference of A and B is the set of elements of A
except those in B, i.e., (A \ B).

Best regards,

Carlos J. Gil Bellosta
http://www.datanalytics.com



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