Methods to determine the validity of regression models include comparison of model predictions and coefficients with theory, collection of new data to check model predictions, comparison of results ...

Olaf Bunke, Bernd Droge, Bootstrap and Cross-Validation Estimates of the Prediction Error for Linear Regression Models, The Annals of Statistics, Vol. 12, No. 4 (Dec ...

This paper examines which hybridization strategy is more suitable for credit risk assessment in the dynamic financial world. As such, we use extensive new data sets and develop different hybrid models ...