Parameterized Local Reduction of Decision Systems

Table 4

The comparisons on selected attributes between 𝜃-local reduction and 𝜃-reduction.

	Class 1	Class 2	Class3	Class 4	Parameter
Breast tissue					0.6667
𝜃-local reduction	1, 6	1, 2, 3	4, 9	4, 6, 7, 9
𝜃-reduction	1, 6, 2, 3, 7, 8, 9	1, 2, 3, 6, 7, 8, 9	4, 9, 2, 3, 6, 7	4, 6, 7, 9, 2, 3
Wdbc					0.8333
𝜃-local reduction	1, 2, 4, 6, 7, 9, 11, 12, 14, 15, 22, 25, 27, 28, 29	1, 2, 7, 9, 10, 11, 12, 15, 19, 22, 23, 25, 27, 28, 29
𝜃-reduction	1, 2, 4, 6, 7, 9, 11, 12, 14, 15, 22, 25, 27, 28, 29	1, 2, 7, 9, 10, 11, 12, 15, 19, 22, 23, 25, 27, 28, 29, 30
Spect					0.8636
𝜃-local reduction	1, 2, 3, 4, 5, 9, 11, 12, 13, 14, 15, 17, 18, 20, 21, 22	1, 2, 4, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 22
𝜃-reduction	1, 2, 3, 4, 5, 7, 8, 9, 11, 12, 13, 14, 15, 17, 18, 20, 21, 22	1, 2, 4, 5, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21, 22