Moro, Russ A.; Härdle, Wolfgang K.; Schäfer, Dorothea - In: Statistics & Risk Modeling 34 (2017) 1-2, pp. 55-67
Abstract This paper proposes a rating methodology that is based on a non-linear classification method, a support vector machine, and a non-parametric isotonic regression for mapping rating scores into probabilities of default. We also propose a four data set model validation and training...