On 20 October 2017 at 04:21, John <miao...@gmail.com> wrote: > > Hi, > > Following Paul's instruction, I have installed the Cairo. I tried to run > the program, and there is no error message at all. I did see the Chinese > title in the plot if I ask my RStudio to show the plot (if I type "p1"), > but the pdf file shows the plots without the Chinese titles.
[...] > > cairo_pdf("test_plot_chinese.pdf") > print(m2) > dev.off() > The help page for cairo_pdf says: " ‘cairo_pdf’ and ‘cairo_ps’ sometimes record _bitmaps_ and not vector graphics. On the other hand, they can (on suitable platforms) include a much wider range of UTF-8 glyphs, and embed the fonts used. " I am not sure what sometimes means but maybe the fonts are not embedded in the pdf-file? try: embed_fonts('test_plot_chinese.pdf') note that it might fails if you haven't installed gs (ghostscript) Regards Martin [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.