Gregory (Greg) L. Snow Ph.D.
Statistical Data Center
Intermountain Healthcare
greg.snow at imail.org
801.408.8111
> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-
> project.org] On Behalf Of sjlabrie
> Sent: Tuesday, January 31, 2012 9:53 PM
> To: r-help at r-project.org
> Subject: [R] Plotting bar graph over a geographical map
>
> Hi,
>
> I am looking for a way to plot bar on a map instead of the standard
> points.
> I have been using ggplot2 and maps libraries.
> The points are added with the function geom_point. I know that there is
> a
> function
> geom_bar but I can't figure out how to use it.
>
> Thank you for your help,
>
> Simon
>
> ### R-code
> library(ggplot2)
> library(maps)
>
> measurements <- read.csv("all_podo.count.csv", header=T)
> allworld <- map_data("world")
>
> pdf("map.pdf")
> ggplot(measurements, aes(long, lat)) +
> geom_polygon(data = allworld, aes(x = long, y = lat, group = group),
> colour = "grey70", fill = "grey70") +
> geom_point(aes(size = ref)) +
> opts(axis.title.x = theme_blank(),
> axis.title.y = theme_blank()) +
> geom_bar(aes(y = normcount))
> dev.off()
> ###
>
>
>
>
> --
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> bar-graph-over-a-geographical-map-tp4346925p4346925.html
> Sent from the R help mailing list archive at Nabble.com.
>
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