Interpolating from SpatialPointsDataFrame - estimates for new boundaries
On Mon, Jan 30, 2012 at 2:06 AM, Juta Kawalerowicz
<juta.kawalerowicz at stx.ox.ac.uk> wrote:
Dear List, I have the following problem, maybe someone can suggest how to proceed. I have a SpatialPointsDataFrame for United Kindgdom districts in 2001 and 1971, both containing number of people in each polygon.
SpatialPointsDataFrame or SpatialPolygonsDataFrame? I would create a test set of a few polygons and see if what you get is what you expect on that scale. It can be hard to tell what is going on with hundreds of overlapping polygons. Start with something small, see if that behaves, then gradually make your tests more similar to your possibly failing example until it breaks. Not a lot we can do without some data to try it on ourselves! Barry