I'm using 'expression()' in R plots in order to get italicized text. But it appears as if I cannot use Unicode symbols inside 'expression' outside of ASCII characters. Is there some way I can work around this? My goal is to get the 'fi' ligature in various labels in my R barplots (together with italicized text). I think I could work around this if there was another way of italicizing selected characters in a string than using 'expression()'.
I'm using R for Windows version 3.0.2.
CairoPDF(file = "Ligature1.pdf")
plot.new()
text(x =.5, y = .5, labels = "fi", family = "Times New Roman")
dev.off()
CairoPDF(file = "Ligature2.pdf")
plot.new()
text(x =.5, y = .5, labels = expression(paste(italic(m), "u", "fi",
italic(m), sep = "")), family = "Times New Roman")
dev.off()
<<attachment: lig1.png>>
<<attachment: lig2.png>>
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