nnreg                   Fits a surface based on a neural network
plot.nnreg              Diagnoistic and summary plots of a neural net
                        regression object
predict.netfit          Evaluation of a neural net fit based on a
                        model component
predict.nnreg           Evaluation of neural net surface.
print.nnreg             Print nnreg fit results
summary.netfit          Summary of parameters of netfit object
summary.nnreg           Summary for neural net regression
surface.nnreg           Plots the predicted surface from an nnreg fit
