SplitSoftening          Package: Softening splits in classification
                        trees
predictSoftsplits       Prediction according to 'soft tree'.
soften                  Create a 'soft tree' structure with softening
                        parameters set using one of the named method.
softening.by.data.range
                        Make split softening based on data ranges.
softening.optimized     Make split softening optimized with
                        Nelder-Mead.
softsplits              Create 'soft tree' structure from a tree
                        object.
