These unclassified instances are tagged with the symbol "?".
the default rules were used about 60% and 30% of the time in "DL (EDR)" and "DL (BNC)", respectively; when only the default rules were used, "DL (EDR)" ("DL (BNC)") achieved 0.66 (0.56) in recall and 0.58 (0.53) in precision.