Table 2.

Number of predictor attributes for each dataset.

Dataset	Number of attributes
10-1	141
10-3	167
10-5	193
10-10	258
10-20	388
10-30	518
10-40	648
10-50	778
20-50	908
30-50	1,038
40-50	1,168
50-50	1,298
100-50	1,948
150-50	2,598
200-50	3,248
250-50	3,898