Table 2. Approaches and included features.

Approach	Events included	Total Features for RF Input
1 event	n = 0 (shot) event	1 × 7 = 7 features
2 events	n = 0, n = 1 events	2 × 7 = 14 features
3 events	0 ≤ n ≤ 2 events	3 × 7 = 21 features
4 events	0 ≤ n ≤ 3 events	4 × 7 = 28 features
5 events	0 ≤ n ≤ 4 events	5 × 7 = 35 features