Hi,
I am trying to show grid cells with colors. Colors depends on the number
of points falling within grid cells. Here is what I did;
rm(list=ls(all=T))
library(sp)
library(maptools)
library(PBSmapping)
### Define parameters for a grid
start.point <- -5
cco <- c(start.point,start.point)
csize
All of the R-lists, including R-sig-geo, have been having increasing
trouble with spam. In trying to reduce to the minimum the distribution of
spam on the lists, new filtering policies have been adopted, which we
hope will help.
With effect from today, only subscribed members will be allowed to
