Research Article

FraudMiner: A Novel Credit Card Fraud Detection Model Based on Frequent Itemset Mining

Table 1

Imbalanced data.

Number of customersNumber of transactions in training setNumber of transactions in testing set
LegalFraudTotalLegalFraudTotal

2006522567748917506
400122648127486430894
60017166417801244481292
80021697122401612571669
10002604131273520021022104
12003056157311326041442748
14003440158359830831473230