Table 4
The number of members of different classes before and after balancing data.
Conditions | Number of examples in class 1 (Nil SCT or normal conditions) | Number of examples in class 2 | Number of examples in class 3 | Number of examples in class 4 | Number of examples in classes 2, 3 and 4 (abnormal conditions) | Total number of examples | Ratio of examples of abnormal to normal conditions |
---|---|---|---|---|---|---|---|
Imbalanced data | 3336 | 4 | 6 | 3 | 13 | 3349 | 0.0039 |
Balanced data | 3336 | 1672 | 1674 | 1674 | 5020 | 8356 | 0.600 |