Research Article
A Bayesian Classification Intrusion Detection Method Based on the Fusion of PCA and LDA
Table 4
Complete test results using Bernoulli Bayes.
| Dimension | 41 | 40 | 39 | 38 | 37 | 36 | 35 | 34 | 33 | 32 | 31 |
| Accuracy | 0.96 | 0.96 | 0.95 | 0.95 | 0.92 | 0.95 | 0.94 | 0.88 | 0.92 | 0.91 | 0.84 | Time | 39.6 | 30.5 | 32.5 | 31.4 | 32.0 | 27.6 | 29.3 | 29.1 | 30.2 | 27.7 | 18.4 | Dimension | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | Accuracy | 0.90 | 0.90 | 0.89 | 0.86 | 0.89 | 0.85 | 0.84 | 0.87 | 0.91 | 0.88 | 0.87 | Time | 30 | 24 | 23 | 23 | 22 | 22 | 21.6 | 20.3 | 20.1 | 19.6 | 19 | Dimension | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | Accuracy | 0.84 | 0.86 | 0.86 | 0.88 | 0.89 | 0.92 | 0.91 | 0.90 | 0.92 | 0.94 | 0.95 | Time | 18.6 | 17.5 | 17.3 | 16 | 15.8 | 14.7 | 15 | 13.4 | 13 | 15 | 15.3 | Dimension | 8 | 7 | 6 | 5 | 4 | 3 | | | | | | Accuracy | 0.97 | 0.95 | 0.94 | 0.95 | 0.95 | 0.92 | | | | | | Time | 14.3 | 13.8 | 15.3 | 11.6 | 10.9 | 11 | | | | | |
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