Packages suggested but not available for checking: 'spgrass6', 'rgdal'
Packages suggested but not available for checking: 'spgrass6', 'rgdal'
Packages suggested but not available for checking: 'spgrass6', 'rgdal'
Packages suggested but not available for checking: 'spgrass6', 'rgdal'
Package suggested but not available for checking: 'spgrass6'
Packages suggested but not available for checking: 'spgrass6', 'rgdal'
Packages suggested but not available for checking: 'spgrass6', 'rgdal'
Package suggested but not available for checking: ‘spgrass6’
Packages suggested but not available for checking:
  'spdep', 'spgrass6', 'rgdal'
Package suggested but not available for checking: 'spgrass6'
Package suggested but not available for checking: 'spgrass6'