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Table 49 Summary for recognizing minority and majority instances in not highly imbalanced datasets

From: Resampling imbalanced data for network intrusion detection datasets

 

Influence on minority’s recall

Influence on minority’s precision

Influence on majority’s recall

Influence on majority’s precision

Overall Influence on recall and precision

Recognize more minority instances correctly

Increase slightly

Good enough without resampling

Increase slightly

No influence

No influence

Almost unchanged

Recognize more majority instances incorrectly

No influence

Decrease slightly

Little influence

Little influence

Decrease precision

Combined influence

Almost unchanged

Almost unchanged

Little influence

Little influence

Almost unchanged