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Table 16 Time complexity of ML models in IDS

From: Machine learning-based network intrusion detection for big and imbalanced data using oversampling, stacking feature embedding and feature extraction

SI. No.

ML model

Time complexity

1

DT (Decision Trees)

\(O(n \cdot m \cdot \log (m))\)

2

RF (Random Forests)

\(O(t \cdot n \cdot m \cdot log(m))\)

3

ET (Extra Trees)

\(O(t \cdot n \cdot m \cdot log(m))\)

4

XGB (XGBoost)

\(O(t \cdot d)\)