findSpread              Find best spread
findSpreadRdist         find best spreads using Rdist
findSpreadVegan         Find best spread using vegan function
grnn                    General Regression Neural Networks (GRNNs)
grnn.distance           grnn distance
grnn.kfold              General Regression Neural Networks (GRNNs)
met                     meteorological dataset
physg                   physiognomy dataset
veg.distance            distance using vegdist
