ataCoKriging            Area-to-area, area-to-point coKriging
                        prediciton, cross-validation.
ataKriging              Area-to-area, area-to-point ordinary Kriging
                        prediciton, cross-validation.
ataSetNumberOfThreadsForOMP
                        Set number of threads for OpenMP.
ataStartCluster         Start/stop cluster parallel calculation.
autofitVgm              Auto fit variogram for points.
deconvPointVgm          Point-scale variogram, cross-variogram
                        deconvolution.
discretizePolygon       Discretize spatial polygons to points.
discretizeRaster        Discretize raster to points.
extractPointVgm         Extract point-scale variogram from deconvoluted
                        ataKrigVgm.
plotDeconvVgm           Plot deconvoluted point variogram.
rbindDiscreteArea       Combine two discrete areas.
subsetDiscreteArea      Select discrete area according to area id.
updateDiscreteAreaValue
                        Update value of discreteArea object.
