[R] bottom legends in ggplot2 ?

[hadley wickham]

Yes, this is a known bug which will (hopefully) be addressed in the
next release.
Hadley

On Fri, Feb 27, 2009 at 4:15 AM, ONKELINX, Thierry
<Thierry.ONKELINX at inbo.be> wrote:
> I would think that the lines below should work but they give an error.
> Hadley, can you clarify this?
>
> Cheers,
>
> Thierry
>
>> library(ggplot2)
>> qplot(mpg, wt, data=mtcars, colour=cyl) + opts(legend.position =
> "bottom")
> Error in grid.Call.graphics("L_setviewport", pvp, TRUE) :
>  Non-finite location and/or size for viewport
>> ggplot(mtcars, aes(x = mpg, y = wt, colour = cyl)) + geom_point() +
> opts(legend.position= "bottom")
> Error in grid.Call.graphics("L_setviewport", pvp, TRUE) :
>  Non-finite location and/or size for viewport
>> sessionInfo()
> R version 2.8.1 (2008-12-22)
> i386-pc-mingw32
>
> locale:
> LC_COLLATE=Dutch_Belgium.1252;LC_CTYPE=Dutch_Belgium.1252;LC_MONETARY=Du
> tch_Belgium.1252;LC_NUMERIC=C;LC_TIME=Dutch_Belgium.1252
>
> attached base packages:
> [1] grid      stats     graphics  grDevices datasets  utils     methods
>
> [8] base
>
> other attached packages:
> [1] ggplot2_0.8.1 reshape_0.8.2 plyr_0.1.5    proto_0.3-8
>
>
>
> ------------------------------------------------------------------------
> ----
> ir. Thierry Onkelinx
> Instituut voor natuur- en bosonderzoek / Research Institute for Nature
> and Forest
> Cel biometrie, methodologie en kwaliteitszorg / Section biometrics,
> methodology and quality assurance
> Gaverstraat 4
> 9500 Geraardsbergen
> Belgium
> tel. + 32 54/436 185
> Thierry.Onkelinx at inbo.be
> www.inbo.be
>
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> say what the experiment died of.
> ~ Sir Ronald Aylmer Fisher
>
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> ~ Roger Brinner
>
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> data.
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>
> -----Oorspronkelijk bericht-----
> Van: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
> Namens Avram Aelony
> Verzonden: donderdag 26 februari 2009 20:34
> Aan: r-help at stat.math.ethz.ch
> Onderwerp: [R] bottom legends in ggplot2 ?
>
>
> Has anyone had success with producing legends to a qplot graph such that
> the legend is placed on the bottom, under the abcissa rather than to the
> right hand side ?
>
> The following doesn't move the legend:
>       library(ggplot2)
>       qplot(mpg, wt, data=mtcars, colour=cyl,
> gpar(legend.position="bottom") )
>
>
> I am using ggplot2_0.8.2.
>
> Thanks in advance,
>
> Avram
>
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