Table 3.

Comparing SKF with different kernels.

Cancer	Euclidean	Chebyshev
Stomach (C = 10)	0.043	0.002
Lung (C = 7)	0.089	1.586 × 10−6
Kidney (C = 10)	0.175	0.018
Breast (C = 5)	0.042	1.116 × 10−5
Colon (C = 11)	0.130	1.117 × 10−6
Bladder (C = 5)	0.147	0.001
Blood (C = 7)	0.805	0.029
Brain (C = 9)	0.040	0.076
Ovary (C = 7)	0.681	0.001
Pancreas (C = 7)	0.243	0.008