one of my solution :
text(x,y,"\u00B0C", cex=1.1, font=2)
it will produce "°C"
text(x,y,"\u00B3C", cex=1.1, font=2)
it will produce "superscript(3)C"
so basically change the character after the "\u00B..." will produce
the superscript.
Best, Ani
On Wed, Dec 1, 2021 at 4:05 AM Rich Shepard <rshep...@appl-ecosys.com> wrote:
>
> I want to present the temperature on the Y-axis label as 'Water Temperature
> (oC)' with the degree symbol as a superscript.
>
> My web search found a couple of methods; one put the entire example string
> in the axis label, the other is close, but still incorrect.
>
> Source example:
> #define expression with superscript
> x_expression <- expression(x^3 ~ variable ~ label)
> # The example axis label is:
> 'X3 variable label' (with the 3 as a superscript)
>
> My use:
> # Set degree symbol as superscript in plot's y axis:
> y_expression <- expression(^o ~ C)
>
> R's error message:
> Error in source("../scripts/all_temp_plots.r") :
> ../scripts/all_temp_plots.r:10:28: unexpected '^'
> 9: # Set degree symbol as superscript in plot's y axis:
> 10: y_expression <- expression(^
> ^
>
> What is the proper way to display a degree symbol in a plot's axis label?
>
> Rich
>
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