# [R] gathering denominator under frac

Bert Gunter bgunter@4567 @end|ng |rom gm@||@com
Fri Feb 2 17:33:44 CET 2024

```... or if I understand correctly, simply

true ~ HCO[3]^"-" )))

Cheers,
Bert

On Fri, Feb 2, 2024 at 3:06 AM Rui Barradas <ruipbarradas using sapo.pt> wrote:

> 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
> >
> > - 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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> > and provide commented, minimal, self-contained, reproducible code.
> 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(
>    true~HCO[3]^"-"
> ))))
>
>
>
> Hope this helps,
>
>
>
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