ggplot2 - R use the symbol Angstroms in xlabel -


i using ggplot2 , facet_grid, , output format png. how can write symbol "angstroms" in x-axis label? tried xlab("{\305}") printed weird symbol me.

there list of different solutions. may not work particular task.

xlab="\u5c" xlab="\u212b" xlab="Å"

work in r session (but not pdf output).

xlab=expression(ring(a) )

works both in r session , pdf output.


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