[R] Plotting bar graph over a geographical map
hadley at rice.edu
Fri Feb 10 14:07:37 CET 2012
You might want to try sending a small reproducible example
(https://github.com/hadley/devtools/wiki/Reproducibility) to the
ggplot2 mailing list.
On Tue, Jan 31, 2012 at 10:53 PM, sjlabrie <sjlabrie at mit.edu> wrote:
> 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
> geom_bar but I can't figure out how to use it.
> Thank you for your help,
> ### R-code
> measurements <- read.csv("all_podo.count.csv", header=T)
> allworld <- map_data("world")
> 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))
> View this message in context: http://r.789695.n4.nabble.com/Plotting-bar-graph-over-a-geographical-map-tp4346925p4346925.html
> Sent from the R help mailing list archive at Nabble.com.
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
More information about the R-help