Table 1.
Average misclassification error rate (MER) and area under the receiver operating characteristic curve (AUC) of DE calculation for two class simulated data with 5% missing values and different rates of outliers.
Methods | Without outliers MER (AUC) | 3% outliers MER (AUC) | 5% outliers MER (AUC) | 7% outliers MER (AUC) | 10% outliers MER (AUC) |
---|---|---|---|---|---|
RF | 4.23 (0.956) | 19.76 (0.797) | 27.41 (0.720) | 31.39 (0.679) | 35.52 (0.638) |
PPCA | 3.77 (0.964) | 18.59 (0.811) | 26.03 (0.737) | 30.06 (0.698) | 34.48 (0.652) |
kNN | 4.83 (0.952) | 20.41 (0.794) | 27.85 (0.719) | 31.83 (0.678) | 35.93 (0.637) |
BPCA | 3.45 (0.967) | 21.31 (0.788) | 28.65 (0.703) | 32.34 (0.675) | 36.45 (0.641) |
EM-PCA | 3.38 (0.969) | 18.76 (0.829) | 26.08 (0.733) | 30.09 (0.707) | 36.03 (0.649) |
Zero | 16.57 (0.829) | 28.88 (0.709) | 34.15 (0.651) | 37.13 (0.623) | 39.95 (0.598) |
Mean | 5.23 (0.949) | 21.29 (0.789) | 28.62 (0.719) | 32.37 (0.672) | 36.41 (0.642) |
Median | 5.12 (0.951) | 20.99 (0.791) | 28.36 (0.706) | 32.18 (0.676) | 36.25 (0.643) |
Minimum | 12.44 (0.867) | 26.45 (0.728) | 32.26 (0.673) | 35.52 (0.640) | 38.75 (0.604) |
rmiMAE | 2.94 (0.971) | 4.21 (0.958) | 4.77 (0.951) | 4.98 (0.948) | 5.13 (0.964) |
Proposed | 2.73 (0.973) | 2.93 (0.971) | 2.98 (0.970) | 3.03 (0.969) | 3.05 (0.969) |
Bold indicates the lower MER and Higher AUC throughout the column.