grid, stats, utils, grDevices, png, jpeg, RColorBrewer
grid, stats, utils, grDevices, png, jpeg, RColorBrewer,
interp, MASS
maps, mapproj, deldir, tripack, quantreg, zoo
maps, mapproj, deldir, tripack, quantreg, zoo, MASS
maps, mapproj, deldir, tripack, quantreg, zoo, MASS, mgcv
maps, mapproj, deldir, tripack, zoo, MASS, quantreg, mgcv
maps, mapproj, deldir, quantreg, zoo, mgcv
maps, mapproj, deldir, tripack, quantreg