I need to annotate one of my figure like this:
(b) PM2.5
And this is a way to do it in R with ggplot2 package:
b <- b="" font="">
annotate("text", x=-3.5, y=0.12, label=deparse(b),parse=TRUE)
Not sure about the details behind all the parameters though. Thanks to BondedDust for answering this question.
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