我试图在绘图中显示unicode符号,但它们不会在Mac OS X 10.10上显示.我正在使用cairo_pdf,因为这个解决方案在Fedora 20 OS上运行良好,但在这种情况下不行.我检查过我的Mac上有可用的Cairo和Pango端口,因此问题可能与R会话中未正确加载的字体有关.有什么想法吗？提前致谢.
cairo_pdf(file='test.pdf')
pdfFonts("serif")
par(family="serif")
plot(1,1, main=expression("\u2600"))
dev.off()
sessionInfo()
R version 3.2.3 (2015-12-10)
Platform: x86_64-apple-darwin13.4.0 (64-bit)
Running under: OS X 10.10.5 (Yosemite)
locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
attached base packages:
[1] stats graphics grDevices utils datasets methods base
loaded via a namespace (and not attached):
[1] tools_3.2.3