Table 2.

Experimental results (ROC AUC)

Dataset	Average size of MBs	LoPAD	ALSO	MBOM	COMBN	iForest	LOF
MAGIC-NIAB	8.0	0.826 ± 0.033	0.775 ± 0.106	0.817 ± 0.052	0.719 ± 0.099	0.780 ± 0.035	0.819 ± 0.028
ECOLI70	6.5	0.987 ± 0.013	0.994 ± 0.008	0.992 ± 0.008	0.988 ± 0.013	0.799 ± 0.027	0.972 ± 0.014
MAGIC-IRRI	8.1	0.917 ± 0.051	0.861 ± 0.123	0.899 ± 0.041	0.876 ± 0.079	0.817 ± 0.037	0.891 ± 0.029
ARTH150	7.9	0.986 ± 0.011	0.986 ± 0.017	0.959 ± 0.022	0.984 ± 0.011	0.853 ± 0.028	0.962 ± 0.009
Breast cancer	3.5	0.996 ± 0.004	0.984 ± 0.011	0.961 ± 0.013	0.989 ± 0.006	0.991 ± 0.005	0.891 ± 0.031
Wine	8.9	0.812	0.782	0.800	0.722	0.754	0.782
Biodegradation	14.8	0.883±0.063	0.855 ± 0.084	0.808 ± 0.105	0.856 ± 0.082	0.883 ± 0.069	0.868 ± 0.083
Bank	17.7	0.750 ± 0.038	0.682 ± 0.045	0.661 ± 0.043	0.706 ± 0.051	0.679 ± 0.048	0.566 ± 0.043
Spambase	10.0	0.821 ± 0.038	0.653 ± 0.045	0.718 ± 0.034	0.808 ± 0.053	0.773 ± 0.041	0.801 ± 0.03
AID362	51.9	0.604	0.594	0.550	0.674	0.634	0.570
Backdoor	92.4	0.941 ± 0.005	0.922 ± 0.009	0.765 ± 0.027	–	0.794 ± 0.035	0.748 ± 0.018
calTech16	48.8	0.98 ±0.006	0.979±0.006	0.766±0.039	0.981±0.006	0.983±0.004	0.491±0.086
Census	69.3	0.663 ± 0.011	0.642 ± 0.012	0.608 ± 0.013	–	0.575 ± 0.02	0.502 ± 0.013
Secom	35	0.596 ± 0.067	0.594 ± 0.074	0.551 ± 0.066	0.610 ± 0.081	0.533 ± 0.074	0.538 ± 0.086
Arrhythmia	61.7	0.914	0.892	0.563	–	0.844	0.906
Mnist	65.3	0.997 ± 0.002	0.991 ± 0.004	0.606 ± 0.099	–	0.996 ± 0.003	0.958 ± 0.044
Ads	68.7	0.932 ± 0.032	0.894 ± 0.032	0.864 ± 0.033	–	0.754 ± 0.06	0.851 ± 0.036
Average AUC		0.859 ± 0.027	0.828 ± 0.041	0.758 ± 0.043	0.826 ± 0.048	0.791 ± 0.035	0.772 ± 0.039
AUC improvement		–
Wilcoxon rank sum test p-value		–	0.0005	0.0001	0.0599	0.0007	0.0002