[R-sig-Geo] Interpolating from SpatialPointsDataFrame - estimates for new boundaries

[Barry Rowlingson]

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