Table 1.

Characteristics of the 34 UCI datasets employed in this study. Under the class labels, “rest” designates that it was a multi-class problem and that the rest of the classes were combined into one class.

Dataset	Name	#	Attr	Class label (+1)	Class label (−1)
1	Abalone	4177	8	Female	Male, infant
2	Arcene_train	100	10,000	Positive	Negative
3	Blood	748	5	Donated blood	Did not donate
4	Breast	106	9	Car, fad, mas	gla, con, adi
5	Bupaliver	345	6	>5 drinks	<5 drinks
6	Cancer_wbc	669	9	Malignant	Benign
7	Cardio	74	10	Alive after 1 year	Died before 1 year
8	cmc	1473	9	Long/use of contraceptives	No contraceptive use
9	cnae_9	1080	856	Category: range 1–5	Category: range 6–9
10	Credit_g	1000	20	Good credit	Bad credit
11	Derm	366	34	4,5,6	1,2,3
12	E.coli	336	6	pp	rest
13	Glass	214	9	7th type	Rest
14	Heart	270	14	Absence	Presence
15	Hepatitis	155	19	Die	Live
16	House	435	16	Democrat	Republican
17	Ionosphere	351	34	Bad	Good
18	Iris	150	4	setosa	Versicolor, virginica
19	Kidney_inflam	120	6	Bladder inflammation	No inflammation
20	Kr vs. kp	3196	36	White wins	White loses
21	Mushroom	8124	21	Edible	Poisonous
22	Parkinsons	197	23	Parkinson’s	Healthy
23	pima	768	8	Positive for diabetes	No diabetes
24	Post_op	90	8	Patient discharged (s)	Rest
25	sonar	208	60	Rock	Mine
26	Spectf	267	45	1	0
27	Statlog	690	14	Credit approved	Not approved
28	Survival	306	3	Survived 5+ years	Died within 5 years
29	Teach	151	5	Low	Medium, high
30	Tictactoe	958	9	x wins	x loses
31	Vehicle	846	18	van, bus	saab, opel
32	Weight	625	4	Right-leaning	Balanced/left-leaning
33	Wine	178	12	Cultivar 3	Cultivar 1 and 2
34	Zoo	101	17	Aquatic animals	Not aquatic