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. 2024 Feb 29;10:e1915. doi: 10.7717/peerj-cs.1915

Table 1. Feature variables and field definition.

Features Descriptions
Initial rating The credit risk level at the time of the transaction is A–F from high to low
Loan amount Total amount of this loan
Borrowing term The total number of the loan term (in months)
Borrowing rate Annualized interest rate (percent)
Borrowing type The types of loans are divided into ‘Ecommerce’, ‘APP’, ‘Ordinary’, and ‘Other’
First flag The borrower’s first loan vs not
Age The age of the borrower at the time of this loan
Gender Gender of the borrower
Mobile phone authentication The borrower’s mobile phone real name authentication successes and failures
Account authentication The borrower’s account authentication successes and failures
Video authentication The borrower’s video authentication successes and failures
Education certification The borrower’s academic certification success and failure. Success means a college degree or above
Credit authentication The borrower’s credit authentication successes and failures. Success means having a credit report online
Taobao.com certification The borrower’s Taobao.com certification successes and failures. Success means that the borrower is a Taobao shopkeeper.
Historical number of successful loans The number of successful loans made by the borrower prior to this loan
Historical amount of successful borrowing The amount that the borrower successfully borrowed before this loan
History total outstanding amount The amount of principal to be repaid by the borrower prior to this loan
Number of historical normal repayment periods Before this loan, the number of normal repayment periods of the borrower
Number of historical default periods Before this loan, the number of default periods of the borrower