Research Article
Fusion of Heterogeneous Intrusion Detection Systems for Network Attack Detection
Table 3
The sample distributions on the training and testing data sets with the corrected labels of NSL-KDD data set.
| Class | Training data set | Testing data set | Number of samples | Samples percentage (%) | Number of samples | Samples percentage (%) | Number of novel attack samples |
| Normal | 13449 | 53.39 | 9866 | 43.76 | ā | PROBE | 2289 | 9.09 | 2421 | 10.74 | 1315 | DOS | 9234 | 36.65 | 7456 | 33.07 | 1715 | U2R | 11 | 0.04 | 67 | 0.30 | 32 | R2L | 208 | 0.83 | 2734 | 12.13 | 538 | ā | 25192 | 100 | 22544 | 100 | 3600 |
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