Is there an R equivalent to SAS's proc gremove? You would use this procedure to
combine the units on an existing map, for example to build a map of Metropolitan
Statistical Areas (MSAs) from the [US] counties dataset where the internal boundries
surround the MSAs (which are groups of counties)
Fred Rohde wrote:
Is there an R equivalent to SAS's proc gremove? You would use this procedure to
combine
the units on an existing map, for example to build a map of Metropolitan Statistical
Areas
(MSAs) from the [US] counties dataset where the internal boundries
surround the MSAs (which
are