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.mile...@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
>
> --
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>
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