Re: [R] barplot and map overlay

From: Greg Snow <Greg.Snow_at_intermountainmail.org>
Date: Wed, 13 Jun 2007 08:27:38 -0600


Look at the subplot function in the TeachingDemos package.

-----Original Message-----
From: "Héctor Villalobos" <hvillalo_at_ipn.mx> To: "r-help_at_stat.math.ethz.ch" <r-help_at_stat.math.ethz.ch> Sent: 6/11/07 5:48 PM
Subject: [R] barplot and map overlay

Hi,

I wonder if it is possible with the graphics package to overlay one or several plots (barplots, for example) over a map. Data for the map is in a data frame with the latitude and longitude coordinates, and then:

> plot(map$long, map$lat, type ="l")

produces the map. I want to put each barplot in specific locations on the map, namely at the center of "statistical squares".

I´ve seen an example in Paul Murrell´s "R Graphics" book that seems appropriate (grid package), but a bit complicated.

Thanks a lot for any advice.

Héctor

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Received on Wed 13 Jun 2007 - 15:16:21 GMT

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