Cost-Sensitive Attribute Reduction in Decision-Theoretic Rough Set Models

Table 10

The comparison of the average numbers of selected attributes.

Dataset	Raw data	ALF≈500		ALF≈3000
		Algorithm 1	Algorithm 2	Algorithm 1	Algorithm 2
Tic-tac-toe	9	1.31	1.34	5.59	4.11
Voting	16	1.29	1.06	2.6	1.6
Zoo	16	1.98	1.41	3.51	2.59
Mushroom	22	1.57	1.26	6.95	5.32