[R] ggplot2: geom_errorbarh()

[Benoit Boulinguiez]

Hi,

I expect 'width' to set the width of the horizontal line of the whisker, as
it does with errobar()

Regards/Cordialement


Benoit Boulinguiez 


-----Message d'origine-----
De : hadley wickham [mailto:h.wickham at gmail.com] 
Envoyé : dimanche 12 juillet 2009 11:04
À : Benoit Boulinguiez
Cc : r-help at r-project.org
Objet : Re: [R] ggplot2: geom_errorbarh()

Hi Benoit,

What do you expect width to do?  You are already setting the left and right
extents with xmin and xmax.

Hadley

On Thu, Jul 9, 2009 at 10:37 AM, Benoit
Boulinguiez<benoit.boulinguiez at ensc-rennes.fr> wrote:
> Hi all,
>
> quick question: is the optional command "width" effective in the
> geom_errorbarh() layer of ggplot?
> Cause I can't get it works on this graph 
> http://www.4shared.com/file/116919103/93488d88/iso_2PrsH.html
>
>
> pdf(file = "iso_2PrsH.pdf", width = 7, height = 7) 
> NC60.iso.graph<-ggplot(
>  NC60.DATA
>  ,aes(Ce,Qe)) +
>  geom_point(col=MaCouleur1, size=4) +
>
>  geom_errorbar(
>  aes(ymax = NC60.DATA$Qe+NC60.DATA$sdQe
>   ,ymin=NC60.DATA$Qe-NC60.DATA$sdQe)
>   ,colour=alpha("black",0.4)
>   ,width=1) +
>
>  geom_errorbarh(
>  aes(xmax = NC60.DATA$Ce+NC60.DATA$sdCe
>   ,xmin=NC60.DATA$Ce-NC60.DATA$sdCe)
>   ,colour=alpha("black",0.4)
>   ,width=1) +
>
>  geom_line(data=NC60.Res4.curve
>  ,aes(x,y)
>  ,size=1
>  ,colour=alpha("black",0.5)) +
>  xlab(C[e]~(mmol/m^3)) +
>  ylab(q[e]~(mmol/m^3))
>
> print(NC60.iso.graph)
> dev.off()
>
> Regards/Cordialement
>
> -------------
> Benoit Boulinguiez
> Ph.D student
> Ecole de Chimie de Rennes (ENSCR) Bureau 1.20 Equipe CIP UMR CNRS 6226 
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>
>
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