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d87439
2013 Dec 02
2
plus/minus +/- in factor; not plotmath not expression
...quot; symbol into a character variable, so that this can be turned into a factor and be displayed in the "strip" of a faceted ggplot2 plot.
A very nice solution, thanks to Professor Ripley's post of Nov 16, 2008; 3:13pm, visible at http://r.789695.n4.nabble.com/Symbols-to-use-in-text-td874239.html and subsequently http://www.fileformat.info/info/unicode/char/00b1/index.htm, is:
junk<- "\u00B1"
print(junk)
# This works very nicely. For instance:
junk<-data.frame(gug=c(
rep( "\u00B1 1.2", 10)
,
rep( "\u00B1 2.3", 10)
)
)
junk$eks<-1:nrow(...