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Algorithm runtime. The median time is reported, using tuned hyperparameters.
| Algorithm | Training data (samples) | Testing data (samples) 700 | |
|---|---|---|---|
| 700 | 1400 | ||
| Time (s) | |||
| IForest | 2.26 | 5.44 | 0.89 |
| OCSVM | 0.03 | 0.13 | 0.01 |
| LOF | 0.05 | 0.12 | 0.04 |
| ABOD | 38.51 | 76.93 | 38.15 |
| KNN | 0.04 | 0.11 | 0.11 |
| HBOS | 1.45 | 1.82 | 0.11 |
| MCD | 0.69 | 0.84 | 0.00 |
| PCA | 0.35 | 0.75 | 0.04 |
| MarkovChain | 5.98 | 11.84 | 4.08 |
| HMM | 980.09 | 1959.79 | 7.99 |
| GVFOD | 2.14 | 4.35 | 0.95 |
