Table 4.
Imbalanced training data: test set scores with length ≤ 3 compound patterns for causative relations
Imbalance in training set | Min. Frequency: 1000 | Min. Frequency: 500 | Min. Frequency: 100 | ||||||
---|---|---|---|---|---|---|---|---|---|
|
|
|
|||||||
Prec. | Rec. | F-score | Prec. | Rec. | F-score | Prec. | Rec. | F-score | |
|N| = 2 · |P| | 0.744 | 0.724 | 0.732 | 0.868 | 0.775 | 0.819 | 0.865 | 0.846 | 0.855 |
|N| = 4 · |P| | 0.851 | 0.698 | 0.766 | 0.922 | 0.760 | 0.833 | 0.924 | 0.837 | 0.878 |
|N| = 10 · |P| | 0.950 | 0.646 | 0.769 | 0.967 | 0.745 | 0.842 | 0.967 | 0.816 | 0.885 |