Table 9 Comparison of AUC values for testing performance of KNN models trained on training sets processed by various sampling algorithms.
Dataset | ROS | SMOTE | ADASYN | BSMOTE | KSMOTE | GSMOTE(n = 2) | GSMOTE(n = 3) | SYMPROD | ISMOTE |
|---|---|---|---|---|---|---|---|---|---|
D1 | 0.7316 ± 0.0001 | 0.7326 ± 0.0001 | 0.7286 ± 0.0001 | 0.7290 ± 0.0001 | 0.7332 ± 0.0001 | 0.7319 ± 0.0001 | 0.7287 ± 0.0001 | 0.7390 ± 0.0001 | 0.7393 ± 0.0001 |
D2 | 0.7858 ± 0.0179 | 0.7717 ± 0.0215 | 0.7433 ± 0.0235 | 0.7533 ± 0.0239 | 0.7483 ± 0.0220 | 0.7567 ± 0.0210 | 0.7783 ± 0.0176 | 0.7750 ± 0.0204 | 0.7892 ± 0.0187 |
D3 | 0.8918 ± 0.0000 | 0.9061 ± 0.0000 | 0.9096 ± 0.0000 | 0.9075 ± 0.0000 | 0.8918 ± 0.0000 | 0.8986 ± 0.0000 | 0.9059 ± 0.0000 | 0.8930 ± 0.0000 | 0.9007 ± 0.0000 |
D4 | 0.9004 ± 0.0165 | 0.9062 ± 0.0121 | 0.8983 ± 0.0125 | 0.9115 ± 0.0162 | 0.9157 ± 0.0136 | 0.9080 ± 0.0119 | 0.8744 ± 0.0118 | 0.9269 ± 0.0196 | 0.9207 ± 0.0115 |
D5 | 0.8444 ± 0.0000 | 0.8594 ± 0.0122 | 0.8569 ± 0.0125 | 0.8994 ± 0.0100 | 0.8494 ± 0.0100 | 0.8464 ± 0.0115 | 0.8433 ± 0.0122 | 0.8161 ± 0.0100 | 0.9019 ± 0.0115 |
D6 | 0.7013 ± 0.0007 | 0.7107 ± 0.0012 | 0.7177 ± 0.0014 | 0.6994 ± 0.0010 | -- | 0.6884 ± 0.0011 | 0.6922 ± 0.0010 | 0.6477 ± 0.0011 | 0.7200 ± 0.0007 |
D7 | 0.7295 ± 0.0016 | 0.7843 ± 0.0013 | 0.7792 ± 0.0015 | 0.7691 ± 0.0016 | -- | 0.7920 ± 0.0012 | 0.7859 ± 0.0013 | 0.6520 ± 0.0013 | 0.7999 ± 0.0011 |
D8 | 0.5372 ± 0.0000 | 0.5984 ± 0.0000 | 0.5971 ± 0.0000 | 0.6005 ± 0.0000 | -- | 0.5908 ± 0.0000 | 0.5862 ± 0.0000 | 0.5157 ± 0.0000 | 0.6061 ± 0.0000 |
D9 | 0.5685 ± 0.0069 | 0.5910 ± 0.0050 | 0.5868 ± 0.0053 | 0.5619 ± 0.0045 | -- | 0.5886 ± 0.0039 | 0.6087 ± 0.0045 | 0.5171 ± 0.0038 | 0.6266 ± 0.0069 |
D10 | 0.7287 ± 0.0021 | 0.7379 ± 0.0013 | 0.7260 ± 0.0027 | 0.7437 ± 0.0033 | -- | 0.7451 ± 0.0023 | 0.7450 ± 0.0022 | 0.6768 ± 0.0017 | 0.7623 ± 0.0029 |
D11 | 0.6054 ± 0.0000 | 0.6098 ± 0.0000 | 0.6109 ± 0.0000 | 0.6076 ± 0.0000 | -- | 0.6565 ± 0.0000 | 0.6500 ± 0.0000 | 0.6087 ± 0.0000 | 0.6424 ± 0.0000 |
D12 | 0.6769 ± 0.0031 | 0.7054 ± 0.0032 | 0.7019 ± 0.0011 | 0.6940 ± 0.0027 | -- | 0.7035 ± 0.0034 | 0.7065 ± 0.0031 | 0.5912 ± 0.0023 | 0.6902 ± 0.0042 |
D13 | 0.5806 ± 0.0112 | 0.5746 ± 0.0195 | 0.5593 ± 0.0158 | 0.6112 ± 0.0158 | -- | 0.5794 ± 0.0175 | 0.5801 ± 0.0208 | 0.5264 ± 0.0075 | 0.5814 ± 0.0187 |