Exporting PDFs containing greek symbols

tidyverse
1

Hi,

I am trying to export my plot as a PDF, it contains µl in the Y lab. When exported as a PNG the µ is present but when exported as a PDF I get .. in place of the µ.

This is my code:

ggboxplot(data = data, x = "EqHV", y = "ALTUL", add = "jitter", ylab = "ALT (μL)",
palette = "Dose", fill = "EqHV", ylim = c(0,40)) +
geom_hline(yintercept=c (5.4), linetype="dashed", color = "red") +
stat_compare_means (label = "p.signif", label.y = 81)

2

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