Using an improved C4.5 for imbalanced dataset of intrusion
Quan Zhou, Lingang Gu, Chongjun Wang, WANGJun, Shifu Chen · 2006
The imbalance of dataset will directly affect the precision of classifier. PC4.5, an improved C4.5 algorithm is proposed. The experiments in MIT dataset indicate that PC4.5 is effective on imbalanced dataset and the scale of the decision tree could be reduced.