Facilitating User Authorization from Imbalanced Data Logs of Credit Cards Using Artificial Intelligence

Table 2

Attribute number, name, and definition of Dataset A.

Attribute	Description
X1	Merchant ID : ID of the merchant
X2	Average amount/transaction/day
X3	Total amount of transaction
X4	Is declined: declining or falling transaction (yes or no)
X5	Total number of declines/days: total transaction numbers declined daily
X6	Is foreign transaction: transaction carried out is or is not a foreign transaction
X7	Is high-risk country: transaction is performed in countries under high risk
X8	Average daily chargeback amount
X9	Average chargeback (taken for six months)
X10	Frequency of chargeback (taken for six months)
X11	Is fraudulent: transaction is a fraud or not