GrandTour               Animation technique Grand Tour.
LocLab                  Function for better position of the labels in
                        the graphs.
PP_Index                Function to find the Projection Pursuit indexes
                        (PP).
PP_Optimizer            Optimization function of the Projection Pursuit
                        index (PP).
Plot.PP                 Graphics of the Projection Pursuit (PP).
Pursuit                 Projection Pursuit
