Table 3. Performance of the DDCW model with different chunk sizes.
Bold values show the best results.
| Chunk size | 100 | 200 | 300 | 400 | 500 | 1,000 |
|---|---|---|---|---|---|---|
| Accuracy | Accuracy | Accuracy | Accuracy | Accuracy | Accuracy | |
| ELEC | 0.849 | 0.842 | 0.831 | 0.847 | 0.832 | 0.810 |
| KDD99 | 0.995 | 0.995 | 0.995 | 0.996 | 0.995 | 0.991 |
| AIRL | 0.636 | 0.641 | 0.644 | 0.645 | 0.645 | 0.649 |
| COVT | 0.849 | 0.842 | 0.831 | 0.847 | 0.832 | 0.810 |
| SHUTTLE | 0.953 | 0.955 | 0.965 | 0.975 | 0.953 | 0.992 |
| POWERSUPLY | 0.156 | 0.155 | 0.156 | 0.153 | 0.155 | 0.157 |
| CONNECT4 | 0.686 | 0.693 | 0.687 | 0.669 | 0.674 | 0.705 |
| BNG_BRIDGES | 0.689 | 0.703 | 0.711 | 0.715 | 0.718 | 0.725 |
| BNG_BRIDGES1vsAll | 0.962 | 0.963 | 0.964 | 0.965 | 0.965 | 0.966 |
| BNG_HEPATITIS | 0.858 | 0.867 | 0.870 | 0.873 | 0.874 | 0.897 |
| BNG_ZOO | 0.876 | 0.892 | 0.900 | 0.905 | 0.908 | 0.921 |
| BNG_LYMPH | 0.796 | 0.811 | 0.819 | 0.824 | 0.830 | 0.879 |
| AGRa | 0.857 | 0.871 | 0.874 | 0.876 | 0.878 | 0.879 |
| AGRg | 0.827 | 0.847 | 0.852 | 0.856 | 0.859 | 0.874 |
| SEAa | 0.873 | 0.876 | 0.877 | 0.878 | 0.881 | 0.888 |
| SEAg | 0.868 | 0.874 | 0.873 | 0.874 | 0.877 | 0.884 |
| STAGGER | 0.946 | 0.946 | 0.933 | 0.938 | 0.912 | 0.923 |
| LED | 0.892 | 0.888 | 0.882 | 0.884 | 0.884 | 0.860 |
| MIXED_BALANCED | 0.927 | 0.934 | 0.935 | 0.939 | 0.943 | 0.964 |
| MIXED_IMBALANCED | 0.924 | 0.930 | 0.932 | 0.936 | 0.939 | 0.964 |
| RBF | 0.855 | 0.872 | 0.877 | 0.879 | 0.881 | 0.882 |
| RBF_DRIFT | 0.546 | 0.562 | 0.573 | 0.585 | 0.592 | 0.601 |
| WAVEFORM | 0.819 | 0.826 | 0.830 | 0.832 | 0.835 | 0.837 |
| WAVEFORM_DRIFT | 0.820 | 0.826 | 0.829 | 0.834 | 0.835 | 0.836 |
| F1 | F1 | F1 | F1 | F1 | F1 | |
| ELEC | 0.815 | 0.807 | 0.791 | 0.811 | 0.791 | 0.760 |
| KDD99 | 0.570 | 0.591 | 0.602 | 0.581 | 0.582 | 0.596 |
| AIRL | 0.531 | 0.538 | 0.533 | 0.537 | 0.529 | 0.535 |
| COVT | 0.815 | 0.807 | 0.791 | 0.811 | 0.791 | 0.760 |
| SHUTTLE | 0.506 | 0.510 | 0.536 | 0.606 | 0.672 | 0.702 |
| POWERSUPLY | 0.109 | 0.110 | 0.109 | 0.105 | 0.108 | 0.110 |
| CONNECT4 | 0.483 | 0.486 | 0.470 | 0.466 | 0.481 | 0.464 |
| BNG_BRIDGES | 0.588 | 0.609 | 0.620 | 0.627 | 0.632 | 0.635 |
| BNG_BRIDGES1vsAll | 0.866 | 0.872 | 0.873 | 0.877 | 0.877 | 0.883 |
| BNG_HEPATITIS | 0.907 | 0.913 | 0.915 | 0.918 | 0.918 | 0.935 |
| BNG_ZOO | 0.784 | 0.806 | 0.818 | 0.825 | 0.831 | 0.853 |
| BNG_LYMPH | 0.548 | 0.577 | 0.595 | 0.607 | 0.618 | 0.752 |
| AGRa | 0.842 | 0.858 | 0.864 | 0.868 | 0.868 | 0.869 |
| AGRg | 0.808 | 0.830 | 0.835 | 0.840 | 0.845 | 0.874 |
| SEAa | 0.895 | 0.898 | 0.899 | 0.900 | 0.902 | 0.909 |
| SEAg | 0.892 | 0.896 | 0.896 | 0.897 | 0.899 | 0.906 |
| STAGGER | 0.949 | 0.949 | 0.937 | 0.941 | 0.919 | 0.928 |
| LED | 0.892 | 0.888 | 0.882 | 0.884 | 0.884 | 0.860 |
| MIXED_BALANCED | 0.928 | 0.934 | 0.935 | 0.939 | 0.943 | 0.964 |
| MIXED_IMBALANCED | 0.930 | 0.935 | 0.936 | 0.940 | 0.943 | 0.966 |
| RBF | 0.850 | 0.868 | 0.873 | 0.875 | 0.878 | 0.881 |
| RBF_DRIFT | 0.528 | 0.550 | 0.562 | 0.570 | 0.576 | 0.618 |
| WAVEFORM | 0.814 | 0.822 | 0.826 | 0.828 | 0.832 | 0.834 |
| WAVEFORM_DRIFT | 0.814 | 0.822 | 0.824 | 0.830 | 0.832 | 0.834 |