Research Article

A Dynamic Intrusion Detection System Based on Multivariate Hotelling’s T2 Statistics Approach for Network Environments

Table 1

Description of redundancy in dataset (10%_corrected_subset_KDD Cup’99).

ClassNumber of original records Number of records after
redundancy removal
Number of samples%Number of samples%

Normal9727919.758783260.79
DoS39146079.465457337.77
Probe34600.7016271.13
R2L4420.084250.29
U2R370.01370.03
Total492678100144494100