A Novel Selective Ensemble Algorithm for Imbalanced Data Classification Based on Exploratory Undersampling

Table 6

Running time of all methods (×10³ seconds).

Dataset	CART	RUSB	SMOB	UNBag	SMBag	AdaC	RAMO	RotF	Easy	RotE-un	RotEasy	Pruned size
Spambase	10.4082	7.2693	10.1375	5.5486	15.4115	6.9242	59.0225	11.2853	4.9132	2.6672	2.6911	30.7
Vote	0.2003	0.2210	0.4009	0.1390	0.2992	0.2809	1.0919	0.4173	0.1868	0.3886	0.1394	31.8
Wdbc	0.4012	0.3595	0.5896	0.2458	0.5172	0.4473	1.5186	0.6133	0.2273	0.5998	0.1739	27.5
Ionosphere	0.4127	0.3364	0.4921	0.2382	0.4762	0.4260	1.0328	0.5349	0.2097	0.5211	0.1769	33.6
Pima	0.5231	0.5059	0.8742	0.3236	0.7141	0.4880	2.0187	0.7559	0.2974	0.6468	0.2173	29.3
German	1.4815	1.1213	1.6231	0.7268	1.5688	1.1799	4.0155	1.9123	0.6149	1.3117	0.3958	30.9
Phoneme	1.8902	2.4271	6.0667	0.9614	4.1095	3.3139	27.158	2.5821	1.2318	2.6678	0.8184	28.4
Haberman	0.2025	0.2012	0.3240	0.1234	0.2793	0.2202	0.5496	0.2607	0.1223	0.2046	0.1186	32.5
Vehicle	0.8187	0.6848	1.1640	0.3923	1.0866	0.7974	2.7819	1.1901	0.3578	0.7882	0.2524	31.5
Cmc	1.1856	1.0555	1.6478	0.5068	1.5559	1.0299	4.7806	1.6271	0.5041	0.3332	0.3554	30.8
House	0.3794	0.3531	0.6048	0.1914	0.5908	0.4065	1.2942	0.7000	0.1815	0.1395	0.1461	32.7
Scrapie	2.8443	2.3650	3.8515	0.9799	3.8089	2.9333	17.0674	3.4533	0.9927	0.7025	0.7461	26.8
Yeast	0.3719	0.5099	0.9379	0.1362	0.7436	0.6230	4.4375	0.6172	0.1494	0.1116	0.1266	28.6
Mfeat_zer	1.9185	1.3039	2.6371	0.4285	3.6426	2.0611	11.7596	2.7819	0.3542	0.2572	0.2761	31.8
Mfeat_kar	2.9168	1.8031	3.8492	0.5879	5.1841	3.2124	13.3192	4.6771	0.4755	0.3293	0.3546	32.5
Satimage	5.8025	5.1291	10.9213	1.3928	12.9263	8.5528	49.5446	6.6679	1.2619	0.7116	0.7444	28.6
Abalone7	1.6428	1.8622	3.4376	0.4320	3.1747	1.5699	24.0045	2.2932	0.4304	0.0872	0.1317	30.3
Sick	1.3551	1.4166	2.8468	0.2974	2.4132	1.1650	19.4192	2.2750	0.3248	0.2741	0.2846	27.8
Cbands	9.0694	6.0648	15.1124	0.9900	16.4782	7.3421	114.5434	11.5554	0.6354	0.3855	0.4689	31.5
Ozone	3.3591	2.1542	5.9775	0.3463	8.8094	2.0600	17.8972	3.6767	0.2672	0.1995	0.2280	30.6
Average	2.3592	1.8578	3.6754	0.7356	4.1905	2.2541	18.8632	2.9946	0.6875	0.6664	0.4425	30.41