getBestModel            Extract the wrapped model of the best
                        performing features from an spFSR object
getImportance           Extract feature importance data from a spFSR
                        object
plot.spFSR              Plot an spFSR object
plotImportance          Plot importance ranks of best performing
                        features from a spFSR object
spFSR.default           Default function of feature selection and
                        ranking by SP-FSR
spFeatureSelection      Feature selection and ranking by SPSA-FSR
summary.spFSR           Summarising an spFSR object
