On Fri, 29 May 2009, Torleif Markussen Lunde wrote:
Hi
I think the error is in .GWR_int line 42:
df[i, (m + 3)] <- ei[i]
ei will have length equal to dim(data)[1], while i is equal to
nrow(fit.points). So as i > dim(data)[1] ei[i] will be NA.
This could explain why only the first 155 points a
On Fri, 29 May 2009, Edzer Pebesma wrote:
Can I use gwr for interpolation?
I would for example use something like
library(spgwr)
data(meuse)
coordinates(meuse) = ~x+y
data(meuse.grid)
gridded(meuse.grid) = ~x+y
x = gwr(cadmium ~ dist, meuse, bandwidth = 228, fit.points = meuse.grid)
spplot(x$S
Hi
I think the error is in .GWR_int line 42:
df[i, (m + 3)] <- ei[i]
ei will have length equal to dim(data)[1], while i is equal to
nrow(fit.points). So as i > dim(data)[1] ei[i] will be NA.
This could explain why only the first 155 points are evaluated (in your
example).
Best wishes
Torleif
Can I use gwr for interpolation?
I would for example use something like
library(spgwr)
data(meuse)
coordinates(meuse) = ~x+y
data(meuse.grid)
gridded(meuse.grid) = ~x+y
x = gwr(cadmium ~ dist, meuse, bandwidth = 228, fit.points = meuse.grid)
spplot(x$SDF["gwr.e"])
But it doesn't give what I'd ex
