Open Access

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

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