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.onkel...@inbo.be
www.inbo.be
To call in the statistician after the experiment is done may be no more
than asking him to perform a post-mortem examination: he may be able to
say what the experiment died of.
~ Sir Ronald Aylmer Fisher
The plural of anecdote is not data.
~ Roger Brinner
The combination of some data and an aching desire for an answer does not
ensure that a reasonable answer can be extracted from a given body of
data.
~ John Tukey
-----Oorspronkelijk bericht-----
Van: r-help-boun...@r-project.org [mailto:r-help-boun...@r-project.org]
Namens Avram Aelony
Verzonden: donderdag 26 februari 2009 20:34
Aan: r-h...@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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