Xu, Guangning; Deng, Geng; Wang, Xindong; Fu, Qiang - 2021
In mortgage default modeling, many of the key variables, such as loan age, FICO score, Debt-to-Income Ratio (DTI), and Loan-to-House-Value Ratio (LTV), have nonlinear relationship with the target default/delinquency rates. To catch the nonlinearity in the response function, experienced modelers...