[R] gathering denominator under frac
Rui Barradas
ru|pb@rr@d@@ @end|ng |rom @@po@pt
Fri Feb 2 12:05:47 CET 2024
Às 10:01 de 02/02/2024, Troels Ring escreveu:
> Hi friends - I'm plotting a ratio of bicarbonates i ggplot2 and
>
> ylab(expression(paste(frac("additive BIC","true BIC")))) worked OK - but
> now I have been asked to put the chemistry instead - so I wrote
>
> ylab(expression(paste(frac("additive",HCO[3]^"-","true",HCO[3]^"-"))))
> - and frac saw that as additive = numerator and HCO3- = denominator and
> the rest was ignored-
>
> So how do I make frac ignore the first "," and print the fraction as I
> want?
>
>
> All best wishes
> Troels
>
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Hello,
This seems to work. Instead of separating the two numerator strings with
a comma, separate them with a tilde. The same goes for the denominator.
And there is no need for double quotes around "additive" and "true".
library(ggplot2)
g <- ggplot(iris, aes(Sepal.Length, Sepal.Width, color = Species)) +
geom_point()
g + ylab(expression(paste(frac(
additive~HCO[3]^"-",
true~HCO[3]^"-"
))))
Hope this helps,
Rui Barradas
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