RBF-package             A robust backfitting algorithm for additive
                        models.
backf.cl                Classic Backfitting
backf.l2.cv             Cross-validation for the Classical Backfitting
                        algorithm
backf.rob               Robust Backfitting
backf.rob.cv            Cross-validation for Robust Backfitting
k.epan                  Epanechnikov kernel
plot.backf              Diagnostic plots for objects of class 'backf'
predict.backf           Fitted values for objects of class 'backf'.
psi.huber               Derivative of Huber's loss function.
psi.tukey               Derivative of Tukey's bi-square loss function.
residuals.backf         Residuals for objects of class 'backf'
summary.backf           Summary for additive models fits using
                        backfitting
