> plot(1:10, xlab = expression(NO[3]^-~(mg/L)))
It's unexpected but not inexplicable.
The difficulty is that the superscript begins with a unary minus operator. It
_must_ have something (number or variable) after it to negate. Since the thing
following the '-' is not a number, plotmath has just t
Try
plot(1:10, xlab = expression(NO[3]^{'-'}~(mg/L)))
Hope this helps,
Rui Barradas
On 5/21/2018 1:09 PM, Jinsong Zhao wrote:
hi there,
I find the following codes produce strange output.
plot(1:10, xlab = expression(NO[3]^-~(mg/L)))
you will notice that the unit, mg/L is in superscript for
FYI I see everything after the '^' as a superscript.
The '~' does act as a space. (When I omit it there is less space between
the '-' and the '('.
On Mon, May 21, 2018 at 3:09 PM, Jinsong Zhao wrote:
> hi there,
>
> I find the following codes produce strange output.
>
> plot(1:10, xlab = expre
hi there,
I find the following codes produce strange output.
plot(1:10, xlab = expression(NO[3]^-~(mg/L)))
you will notice that the unit, mg/L is in superscript format.
That means that "~" is not for space.
However, the help page of plotmath does not mention this behavior.
Best,
Jinsong
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