Sorry for not providing this in my initial posting.
I'm using R version 2.7.0 (2008-04-22), on Win XP Pro.
As I said, the .png output matched what I saw on screen.
It was the .pdf output for which the font size was noticeably
larger, enough to make the legend run off the screen.
-Michael
Prof Brian Ripley wrote:
What version of R and OS is this? Prior to R 2.7.0 there was little
attempt to match output dimensions from various devices, and one of the
png devices in 2.7.0 has an error in doing so, fixed in R-patched (see
NEWS).
On Mon, 12 May 2008, Michael Friendly wrote:
Hi
In the following, the graph I see on the screen and the .png output
coincide. However, in the .pdf file, the fonts seem to be scaled
fairly larger, resulting in the label for the top legend disappearing.
Is this an infelicity or bug, or is there something I've missed?
More generally, how do I control the size of fonts used in legends
and axis labels?
library(car)
library(ggplot2)
qp <-qplot (education , income , shape=type , size=women ,
colour=prestige ,
xlab="Education" , ylab="Income", data=Prestige)
+ scale_y_continuous(limits=c(NA, 20000))
Hmm, you can't break the line before '+'.
qp + scale_size(to=c(1,8))
ggsave(file="prestige-ggplot.png", width=6, height=5) # OK
ggsave(file="prestige-ggplot.pdf", width=6, height=5) # fonts too large
I would not expect you to be able to specify a smaller size without also
reducing 'pointsize'. E.g. dev.print() does so, but ggsave seems not to.
-Michael
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Michael Friendly Email: friendly AT yorku DOT ca
Professor, Psychology Dept.
York University Voice: 416 736-5115 x66249 Fax: 416 736-5814
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