Dataset

m

n

$n_1\times n_2$

Class

Sample size

BREAST-CANCER

286

9

3 × 3

1

201

2

85

IRIS

150

4

2 × 2

1

50

2

50

SONAR

208

60

8 × 8

1

97

2

111

IONOSPHERE

351

34

6 × 6

1

225

2

126

USPS

300

256

16 × 16

1

100

2

100

Letter Recognition

155

16

4 × 4

1

79