Table 4 Hyper parameter configuration of models.

From: Robust IoT security using isolation forest and one class SVM algorithms

Model

Tuning method

Hyper parameters considered

Best parameters selected

One-Class SVM

Grid Search (threefold CV on normal subset)

kernel: [‘rbf’]

gamma: [‘scale’]

nu: [0.1, 0.5]

kernel = ‘rbf’, gamma = ‘scale’, nu = 0.1

Isolation Forest

Manual

n_estimators: [100]

contamination: ‘auto’

n_estimators = 100, contamination = ‘auto’