我的 Windows 桌面 ( C:\Users\me\Desktop\Fonts)上有一个文件夹，其中包含我想使用extrafont.
当我尝试使用导入字体时
library(extrafont)
font_import(paths = "C:/Users/me/Desktop/Fonts", prompt=FALSE)
我收到错误消息
Scanning ttf files in C:/Users/me/Desktop/Fonts ...
Extracting .afm files from .ttf files...
C:\Users\me\Desktop\Fonts\arista-light.ttf : No FontName. Skipping.
C:\Users\me\Desktop\Fonts\facebook-letter-faces.ttf : No FontName. Skipping.
C:\Users\me\Desktop\Fonts\Guardian-EgypTT-Text-Regular.ttf : No FontName. Skipping.
C:\Users\me\Desktop\Fonts\pico-black.ttf : No FontName. Skipping.
C:\Users\me\Desktop\Fonts\product-sans.ttf : No FontName. Skipping.
Found FontName for 0 fonts.
Scanning afm files in C:/Users/me/Documents/R/R-3.6.3/library/extrafontdb/metrics
Warning messages:
1: In system2(ttf2pt1, c(args, shQuote(ttfiles[i]), shQuote(tmpfiles[i])), :
running command '"C:/Users/me/Documents/R/R-3.6.3/library/Rttf2pt1/exec/ttf2pt1.exe" -a -G fAe "C:\Users\me\Desktop\Fonts\arista-light.ttf" "C:\Users\me\AppData\Local\Temp\RtmpOgbdTh/fonts/arista-light"' had …我有以下代码来创建一个plot.在x- 并且y-axes有一些symbols出现在屏幕上,JPEG当我以该格式保存我的情节时,但不是当我将情节保存为PDF.
是否有我的替代符号\u2030将打印在我的PDF或我的问题的另一个解决方案？请参阅下面的示例(JPEG格式)和错误(PDF)图表.
plot(c(-1,1), c(-1,1), bty = "n", type= "n", las = 1, cex.lab = 1.5, cex.axis = 1.25, main = NULL,
ylab=expression(paste("Correlation Coefficient (r) for ", delta ^{15},"N"," \u0028","\u2030","\u0029")),
xlab=expression(paste("Correlation Coefficient (r) for ", delta ^{13},"C"," \u0028","\u2030","\u0029")))
axis(1, at = seq(-1.0, 1.0, by = 0.1), labels = F, pos = 0, cex.axis = 0.05, tcl = 0.25)
axis(2, at = seq(-1.0, 1.0, by = 0.1), …