[R] ggplot2 - Problem with grid plot

hadley wickham h.wickham at gmail.com
Tue Mar 4 14:12:27 CET 2008


On Tue, Mar 4, 2008 at 6:41 AM, ONKELINX, Thierry
<Thierry.ONKELINX at inbo.be> wrote:
> Dear Chris,
>
>  You'll need to add information on the facet factor (color) to the
>  medians dataset.
>
>  library(ggplot2)
>  medians <- aggregate(diamonds$price, list(cut = diamonds$cut, color =
>  diamonds$color), median)
>  ggplot(data=diamonds, aes(x=price)) + geom_density(aes(color=cut)) +
>  geom_vline(data=medians, aes(color=cut, intercept = x)) +
>  facet_grid(color~.)

Or in the next version of ggplot, you'll be able to do

ggplot(data=diamonds, aes(x=price, colour=cut)) + geom_density() +
geom_vline( intercept = "median") + facet_grid(color~.)

It should be out in the next week or so.

Hadley

-- 
http://had.co.nz/



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