Table 4 SVM mean prediction test errors for 25 data sets with the standard errors for the mean prediction errors (mean/SE)

+∞

3 types

0.1462/0.0173

0.13/0.0167

0.1276/0.0156

4

0.1356/0.0176

0.1784/0.0169

0.1616/0.0153

2

0.1356/0.0176

0.1784/0.0168

0.146/0.0124

1

0.1356/0.0176

0.185/0.0151

0.146/0.0125

+∞

6 types

0.1794/0.018

0.1214/0.0146

0.162/0.0154

4

0.1774/0.0191

0.1626/0.0154

0.1738/0.0164

2

0.1772/0.0191

0.1498/0.0147

0.159/0.0172

1

0.1392/0.0173

0.1632/0.0154

0.1248/0.0151

+∞

9 types

0.1344/0.0193

0.1656/0.0179

0.174/0.0177

4

0.121/0.0158

0.1558/0.0166

0.1846/0.0162

2

0.121/0.0158

0.1552/0.0181

0.1824/0.0177

1

0.121/0.0159

0.1652/0.0198

0.1794/0.0178