Granular Space Reduction to a β Multigranulation Fuzzy Rough Set

Table 2

Granular space selection.

ID	Data set	Granular selection with different 𝛽
		1/𝑢	1	0.001	0.005	0.01
1	biodeg	39	41	24	27	31
2	Ionosphere	28	34	26	26	28
3	Parkinsons	15	22	11	11	14
4	sonar	59	60	47	50	55
5	wdbc	25	30	14	21	24