get.pixel.data          Obtain Sentinel-2 spectral reflectance data for
                        user-defined vector polygons
prepare.vector.data     Prepare vector data for further reflectance
                        data sampling
spectral.curves.plot    Make spectral reflectance curves for defined
                        classes of surface
spectralR               spectralR: A package for obtaining and
                        visualizing spectral reflectance data for earth
                        surface polygons
stat.summary.plot       Statistical summary plot of reflectance values
violin.plot             Create violin plots of reflectance per band for
                        each surface class
