Check out the maps package for a choropleth map.  Specifically the map() 
function (and its argument col=).

     ?map

Check out the image() function for a heat map which can be overlaid.

     ?image

Jean


Reza Salimi-Khorshidi wrote on 08/25/2011 09:00:04 AM:
> 
> Hi all,
> I would like to use R in order to generate a Heatmap/Choropleth overlaid 
on
> the UK map. Can someone please help with finding the right package/code? 
Any
> help is much appreciated.
> Best, Reza
> 
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