Table 2.

Summary of dataset characteristics and imbalance ratios.

Dataset label	Dataset name	Number of variables	Number of observations	Imbalance ratio
D1	Pima	8	768	1.87
D2	Yeast1	8	1484	2.46
D3	Vehicle2	18	846	2.88
D4	Vehicle1	18	846	2.90
D5	Vehicle3	18	846	2.99
D6	Vehicle0	18	846	3.25
D7	Yeast3	8	1484	8.10
D8	Page-blocks0	10	5472	8.79
D9	Abalone9–18	8	731	16.40
D10	Yeast4	8	1484	28.10
D11	Yeast-1–2-8-9_vs_7	8	947	30.57
D12	Yeast5	8	1484	32.73
D13	Yeast6	8	1484	41.40
D14	Abalone19	8	4174	129.44
D15	Yeast-0–2-5-6_vs_3-7–8–9	8	1004	9.14
D16	Car-good	6	1728	24.04
D17	Winequality-red-4	11	1599	29.17
D18	Abalone-17_vs_7-8–9–10	8	2338	39.31
D19	Winequality-white-3_vs_7	11	900	44.00
D20	Abalone-19_vs_10-11–12–13	8	1622	49.69