On Thu, 7 Jan 2010, Noli Sicad wrote:
# Deleting shapefile polygons that doesn't much with record in the
merge dbf file
I have already told you to use "["
new_obj <- obj[keep,]
where keep may be an integer vector of row numbers, a logical vector of
TRUE/FALSE values, or (for newer versions
# Deleting shapefile polygons that doesn't much with record in the
merge dbf file
I want to do:
1. Delete polygons that doesn't have a match with record in joined /
merge table of the shapefile.
(Done transpose and merging - joined to one-to-one relationship already.)
2. Create a subset of the
