Table 2. Datasets used in the experiments.
(Dataset type) R: real, S: synthetic. (Drift type) A: abrupt, G: gradual, –: none, ?: unknown.
| Dataset | Drift type | Dataset type | Samples | Features | Classes |
|---|---|---|---|---|---|
| ELEC | ? | R | 45,312 | 6 | 2 |
| KDD99 | ? | R | 494,021 | 41 | 23 |
| AIRL | ? | R | 539,383 | 7 | 2 |
| COVT | ? | R | 581,012 | 54 | 7 |
| SHUTTLE | ? | R | 58,000 | 9 | 7 |
| POWERSUPPLY | ? | R | 29,928 | 3 | 24 |
| CONNECT-4 | ? | R | 65,557 | 43 | 3 |
| BNG_BRIDGES | ? | R | 1,000,000 | 13 | 6 |
| BNG_BRIDGES1vsAll | ? | R | 1,000,000 | 13 | 6 |
| BNG_HEPATITIS | ? | R | 1,000,000 | 20 | 2 |
| BNG_ZOO | ? | R | 1,000,000 | 17 | 7 |
| BNG_LYMPH | ? | R | 1,000,000 | 19 | 4 |
| AGRa | A | S | 1,000,000 | 9 | 2 |
| AGRg | G | S | 1,000,000 | 9 | 2 |
| SEAa | A | S | 1,000,000 | 3 | 2 |
| SEAg | G | S | 1,000,000 | 3 | 2 |
| STAGGER | A | S | 100,000 | 3 | 2 |
| LED | G | S | 100,000 | 24 | 10 |
| MIXED_BALANCED | A | S | 1,000,000 | 5 | 2 |
| MIXED_IMBALANCED | A | S | 1,000,000 | 5 | 2 |
| RBF | – | S | 1,000,000 | 50 | 4 |
| RBF_DRIFT | G | S | 1,000,000 | 50 | 4 |
| WAVEFORM | – | S | 1,000,000 | 40 | 3 |
| WAVEFORM_DRIFT | G | S | 1,000,000 | 40 | 3 |