[R-sig-Geo] how do we sample in spatial statistics?

Edzer J. Pebesma e.pebesma at geo.uu.nl
Tue Jul 4 10:19:28 CEST 2006

zhijie zhang wrote:
> Dear friends,
>   Sorry for sending an empty email because of mismanipulation.
>   Do we also use sample() function to do the spatial sampling? I look for
> the sample() and think it's one-dimensional sampling.
> In spatial statistics, do we need two-dimentional sampling or some other
> sampling techniques? Which functions could be used in spatial samping in R?
> thanks very much!
spsample in package has a few simple spatial sampling techniques
(basically those described in Ripley, 1981: random, regular,
stratified, nonaligned systematic) on lines, polygons and
grids. More advanced sampling techniques are found in
package spatstat.


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