Table 2.
Comparison of classifiers: Mean AUC(std) of 30 iterations
|
Data set |
Kernel function |
|
Preprocessing + |
LS-SVM classifier |
|
PAM |
Lasso |
|---|---|---|---|---|---|---|---|
| for classification | |||||||
| |
|
Whole data |
PCA |
KPCA |
t-test (
p
<0
.
05) |
|
|
| |
RBF |
0.769(0.127) |
0.793(0.081) |
0.822(0.088) |
0.835(0.078) |
|
|
| I |
lin |
0.822(0.068) |
0.837(0.088) |
0.864(0.078) |
0.857(0.078) |
0.787(0.097) |
0.837(0.116) |
| |
poly |
0.818(0.071) |
0.732(0.072) |
0.825(0.125) |
0.845(0.017) |
|
|
| |
RBF |
0.637(0.146) |
0.749(0.093) |
0.780(0.076) |
0.779(0.082) |
|
|
| II |
lin |
0.803(0.059) |
0.772(0.094) |
0.790(0.075) |
0.751(0.071) |
0.659(0.084) |
0.766(0.074) |
| |
poly |
0.701(086) |
0.752(0.063) |
0.753(0.072) |
0.784(0.059) |
|
|
| |
RBF |
0.832(0.143) |
0.762(0.066) |
0.879(0.058) |
0.921(0.027) |
|
|
| III |
lin |
0.915(0.043) |
0.785(0.063) |
0.878(0.066) |
0.941(0.036) |
0.707(0.067) |
0.9359(0.0374) |
| |
poly |
0.775(0.080) |
0.685(0.105) |
0.8380(0.068) |
0.858(0.042) |
|
|
| |
RBF |
0.615(0.197) |
0.853(0.112) |
0.867(0.098) |
0.808(0.225) |
|
|
| IV |
lin |
0.953(0.070) |
0.917(0.083) |
0.929(0.077) |
0.987(0.028) |
0.759(0.152) |
0.707(0.194) |
| |
poly |
0.762(0.118) |
0.811(0.140) |
0.840(0.131) |
0.779(0.123) |
|
|
| |
RBF |
0.807(0.238) |
0.790(0.140) |
0.976(0.035) |
0.998(0.005) |
|
|
| V |
lin |
0.997(0.005) |
0.528(0.134) |
0.982(0.022) |
0.998(0.006) |
0.923(0.062) |
0.934(0.084) |
| |
poly |
0.942(0.051) |
0.804(0.121) |
0.975(0.028) |
0.965(0.049) |
|
|
| |
RBF |
0.998(0.001) |
0.982(0.002) |
0.984(0.012) |
0.998(0.004) |
|
|
| VI |
lin |
0.990(0.005) |
0.973(0.002) |
0.978(0.013) |
0.993(0.013) |
0.960(0.016) |
0.951(0.045) |
| |
poly |
0.998(0.006) |
0.985(0.016) |
0.973(0.018) |
0.995(0.011) |
|
|
| |
RBF |
0.946(0.098) |
0.941(0.057) |
0.932(0.071) |
0.967(0.048) |
|
|
| VII |
lin |
0.983(0.025) |
0.947(0.047) |
0.954(0.051) |
0.987(0.022) |
0.931(0.058) |
0.952(0.030) |
| |
poly |
0.785(0.143) |
0.903(0.078) |
0.915(0.080) |
0.920(0.025) |
|
|
| |
RBF |
0.823(0.159) |
0.923(0.096) |
0.858(0.113) |
0.950(0.150) |
|
|
| VIII |
lin |
0.840(0.164) |
0.969(0.044) |
0.800(0.019) |
0.999(0.005) |
0.982(0.050) |
0.890(0.081) |
| |
poly |
0.781(0.186) |
0.870(0.117) |
0.785(0.121) |
0.998(0.007) |
|
|
| |
RBF |
0.638(0.210) |
0.823(0.159) |
0.852(0.180) |
0.815(0.200) |
|
|
| IX |
lin |
0.931(0.126) |
0.840(0.164) |
0.846(0.143) |
0.930(0.139) |
0.703(0.175) |
0.705(0.174) |
| poly | 0.841(0.176) | 0.781(0.186) | 0.798(0.193) | 0.768(0.193) |
p-value: False Discovery Rate (FDR) corrected.