About saving a figure to PDF with delta symbol

[lily li]

Hi ggplot users,

I have a problem about exporting a figure. There are ‰ symbols in the x- and y-axes. When exporting as pdf format, the symbols become "..." sign. I did a search and tried ggsave(), quartz() or cairo_pdf(), but it does not help. Could anyone tell me how to save as pdf format but also maintain the symbol? Thanks a lot.

[Brandon Hurr]

Lily,

Here is a nice blog post about using the different devices with special fonts. But using your millipercent symbol isn't so bad.

library(tidyverse)

pdf("test.pdf")
ggplot(mtcars, aes(x = mpg, y = wt)) + geom_point() + labs(x= "blah‰", y = "blah2‰")
dev.off()


ggplot(mtcars, aes(x = mpg, y = wt)) + geom_point() + labs(x= "blah‰", y = "blah2‰")

ggsave(filename = "cairo.pdf", device = cairo_pdf)
ggsave(filename = "normal.pdf")
ggsave("png.png")

yields the attached pdfs and png.

The normal pdf does what you say, but both the png and the cairo pdf does what you want.

I am on a mac so this is expected behavior. If you are on windows or linux you might need further guidance.

If you run the previous, what do you get? Where are you struggling?

Brandon

On Fri, Jan 26, 2018 at 2:10 PM, lily li <choc...@gmail.com> wrote:

Hi ggplot users,

I have a problem about exporting a figure. There are ‰ symbols in the x- and y-axes. When exporting as pdf format, the symbols become "..." sign. I did a search and tried ggsave(), quartz() or cairo_pdf(), but it does not help. Could anyone tell me how to save as pdf format but also maintain the symbol? Thanks a lot.

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