Table 8: Best subsets of features for PM10 data.

FSubset of features
D = 30%D = 40%D = 50%D = 60%D = 70%D = 80%D = 90%

10%1111111
20%1111111
30%1, 71, 71, 71, 71, 61, 61, 6
40%1, 6, 71, 6, 71, 6, 71, 6, 71, 6, 71, 6, 71, 6, 7
50%1, 2, 6, 71, 2, 6, 71, 2, 6, 71, 2, 6, 71, 2, 6, 71, 2, 6, 71, 2, 6, 7
60%1, 2, 6, 71, 2, 6, 71, 2, 6, 71, 2, 6, 71, 2, 6, 71, 2, 6, 71, 2, 6, 7
70%1, 2, 3, 6, 71, 2, 3, 6, 71, 2, 3, 6, 71, 2, 3, 6, 71, 2, 3, 6, 71, 2, 4, 6, 71, 2, 4, 6, 7
80%1, 2, 3, 4, 6, 71, 2, 3, 5, 6, 71, 2, 3, 4, 6, 71, 2, 3, 4, 6, 71, 2, 3, 4, 6, 71, 2, 3, 4, 6, 71, 2, 3, 4, 6, 7
90%1, 2, 3, 4, 6, 71, 2, 3, 4, 6, 71, 2, 3, 4, 6, 71, 2, 3, 5, 4, 71, 2, 3, 4, 5, 71, 2, 3, 4, 6, 71, 2, 3, 5, 4, 7