check smooth.ppp{spatstat}  which performs spatial smoothing based on a
Gaussian kernel...it has a plot method that may do what you are looking for

hope this helps,
Leo.

On Thu, Jul 28, 2011 at 4:09 PM, marco <marco.milella@aim.uzh.ch> wrote:

> Hello everybody,
> I'm trying to understand how to draw a smoothed scatterplot on a geographic
> map with R.
> Have a dataframe with point locations (long, lat) and was able to simply
> plot these points on a shp map by using the maptools package. However,
> instead of having simply the raw points on the map, I would like to have a
> "smoothed" scatterplot of the same superimposed on the map. Tried with the
> smoothScatter function, but really have no idea how to combine the map with
> the resulting graph.
> tx in adv
> marco
>
> --
> View this message in context:
> http://r.789695.n4.nabble.com/smooth-scatterplot-and-geo-map-tp3702374p3702374.html
> Sent from the R help mailing list archive at Nabble.com.
>
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html>
> and provide commented, minimal, self-contained, reproducible code.
>

	[[alternative HTML version deleted]]

