Evolutionary Data Preprocessing to Alleviate Class Imbalance

Table 4

Recalls according to the number of instances of the normal class.

Class	n
	0	1	2	3	4	5
1	0.999	0.997	0.995	0.993	0.989	0.987
2	0.850	0.842	0.840	0.843	0.839	0.846
3	0.776	0.777	0.773	0.777	0.777	0.777
4	0.394	0.404	0.417	0.404	0.422	0.404
5	0.990	0.990	0.989	0.990	0.990	0.990
6	0.901	0.904	0.918	0.909	0.901	0.911
7	0.764	0.81	0.845	0.869	0.886	0.895
8	0.569	0.701	0.667	0.655	0.603	0.621
9	0.112	0.112	0.111	0.116	0.111	0.110
10	0.160	0.162	0.173	0.169	0.171	0.173
W. Avg	0.986	0.976	0.962	0.947	0.933	0.923