Research Article

Comparison of Data Mining Classification Algorithms Determining the Default Risk

Table 1

Dataset structure.

Attribute nameDescription

AgeAge
GenderGender (1 = male, 2 = female)
Marital statusMarital status (1 = married, 2 = other)
EducationEducation level (1 = illiterate, 2 = primary school, 3 = secondary school, 4 = high school, 5 = higher degree)
WorkWorking status (1 = working, 2 = looking for a job, 3 = retired, 4 = other (nonactive))
HealthHealth (1 = good, 2 = medium, 3 = poor)
RegionRegion (1 = mediterranean, 2 = aegean, 3 = marmara, 4 = black sea, 5 = central anatolia, 6 = eastern anatolia, 7 = southeastern anatolia)
HousingHousing status (1 = paying rent, 2 = not paying rent)
RevenueIndividual revenue (1 = low income, 2 = medium income, 3 = higher income)
Home loanNonpayment of house rent, interest-bearing debt repayment, or home loan payment within the last 12 months (1 = no, 2 = yes)
BillsNonpayment of electricity, water, and gas bills within the last 12 months (1 = no, 2 = yes)
ClassNonpayment of credit card installments and other debt payments within the last 12 months (1 = no, 2 = yes)