[R-sig-Geo] Plot mean of variable on a map

[Paulo Justiniano Ribeiro Jr]

Uma laternativa soimples para visualizacao descrituicva sem modelagem 
alguma seria o sufo da funcao interpp() do pacote akima para griar um grid 
recular para visualizacao com image()

anternativa sao muitsas , opor exemplo suar um ajuste com GAM



Paulo Justiniano Ribeiro Jr
LEG (Laboratorio de Estatistica e Geoinformacao)
Universidade Federal do Parana
Caixa Postal 19.081
CEP 81.531-990
Curitiba, PR  -  Brasil
Tel: (+55) 41 3361 3573
VOIP: (+55) (41) (3361 3600) 1053 1066
Fax: (+55) 41 3361 3141
e-mail: paulojus AT  ufpr  br
http://www.leg.ufpr.br/~paulojus

On Thu, 11 Nov 2010, Aleksandr Andreev wrote:

> Hello folks!
>
> I'm trying to create some nice graphs for summary statistics in a
> paper. Here is the issue.
>
> I have shapefiles of St Petersburg, Russia, which I can import via
>
> spb <- readShapePoly("/home/sasha/Documents/maps/spb.shp")
>
> I also have data on apartments in the city. For each apartment, I have
> the latitude, longitude, and the price.
>
> I would like to plot the price on the map in a "heat" style plot. The
> natural way to do this by computing a local average price for a
> specified neighborhood around (Lat, Lon) (say, of 0.01 of a degree
> across -- I have enough data to make this as fine as I need).
>
> Does anyone have suggestions on the best way to do this?
>
> Thanks!
>
> Aleks
>
> ---------------
> Aleksandr Andreev
> Graduate Student -- Department of Economics
> University of North Carolina at Chapel Hill
>
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