Package suggested but not available for checking: ‘maptools’
Package suggested but not available for checking: ‘maptools’
Package suggested but not available for checking: ‘maptools’
Package suggested but not available for checking: ‘maptools’
Package suggested but not available for checking: ‘maptools’
Package suggested but not available for checking: ‘maptools’
Packages suggested but not available for checking: 'adegraphics', 'spdep'