Table 2:

Performance of classification of problem lists

		Precision			Recall
Class	Orig. Count	Raw Majority	Post-Exclusions	Post-Rules	Post-Rules	Final Count
Tobacco	1499	0.59	0.80	0.91	1.0	997
Former-Tobacco	102	0.77	0.88	0.99	0.98	206
Non-Tobacco	66	0.59	0.75	0.94	0.96	49