From: Data mining combined to the multicriteria decision analysis for the improvement of road safety: case of France
Criterion 1: support
Criterion 2: confidence
Criterion 3: support
Extent = 0.18
Extent = 0.20
Extent = 0.21
d1
60% × 0.18 = 0.108
60% × 0.20 = 0.12
60% × 0.21 = 0.126
d2
80% × 0.18 = 0.144
80% × 0.20 = 0.16
80% × 0.21 = 0.168