Table 7 Optimal λ comparison in projection method with considered kernels in sonar data, live disorder data, breast cancer data and NSCLC data

Sonar

(λ _opt,AUC_opt)

(2.00,0.8266)

(2.00,0.8787)

(2.00,0.8585)

(2.00,0.9034)

(λ _opt1,AUC_opt1)

(2.59,0.8284)

(2.16,0.8784)

(4.32,0.8486)

(8.30,0.9118)

Live

(λ _opt,AUC_opt)

(2.38,0.7559)

(2.37,0.7397)

(2.45,0.7543)

(2.17,0.7292)

(λ _opt1,AUC_opt1)

(2.08,0.7571)

(2.04,0.7415)

(2.09,0.7542)

(6.70,0.7249)

Breast

(λ _opt,AUC_opt)

(4.60,0.9689)

(6.57,0.9659)

(4.06,0.9684)

(4.29,0.9937)

(λ _opt1,AUC_opt1)

(2.03,0.9702)

(2.02,0.9675)

(2.20,0.9686)

(13.04,0.9936)

NSCLC

(λ _opt,AUC_opt)

(2.00,0.9996)

(2.00,0.9959)

(2.00,0.9903)

(2.00,0.4059)

(λ _opt1,AUC_opt1)

(4.96,0.9990)

(3.58,0.9978)

(2.69,0.9910)

(2.30,0.4010)