You can save as png like this too:
library(ggplot2)
data=data.frame(
X=sample(10,1000,replace=T)
, Y=letters[1:10])
png("mypng.png")
qplot(X, data=data, geom='histogram') + facet_wrap( ~ Y)
dev.off()
Felipe D. Carrillo
Supervisory Fishery Biologist
Department of the Interior
US Fish & Wildlife Service
California, USA
----- Original Message ----
> From: Peng Yu <pengyu...@gmail.com>
> To: ggplot2 <ggpl...@googlegroups.com>
> Sent: Mon, May 31, 2010 12:20:12 PM
> Subject: Can not save plot to png file correctly
>
> library(ggplot2)
data=data.frame(
> X=sample(10,1000,replace=T)
, Y=letters[1:10]
> )
p=qplot(X, data=data, geom='histogram') + facet_wrap( ~ Y)
save(p,
> file='error.png')
The above qplot work properly if I don't plot it to a
> file. But if I
plot it to a png file, the png file is always corrupted. Would
> you
please let me know what is wrong?
--
>
Regards,
Peng
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