R help - Jun 2023 - need help with plotmath and/or plotting unicode characters

R 4.2.3
OS X

Colleagues

This should be easy -- but not for me.

I want to plot text similar to this:
	N ? XX: YY

where XX can be either 1 or 50 and YY is an integer

I envision that there would be two solutions:

UNICODE: If I can generate "?" via unicode, the problem is solved:
	mtext(side=3, paste0("N ", UNICODE, " ", XX, ":
", YY))

PLOTMATH:
	mtext(side=3, bquote(N <= .(XX) ~":" ~ .(YY)))
This comes close:
	N ? 2 : 13
but I want to remove the space between the 2 and ":"

Dennis



Dennis Fisher MD
P < (The "P Less Than" Company)
Phone / Fax: 1-866-PLessThan (1-866-753-7784)
www.PLessThan.com

On Wed, 7 Jun 2023 19:14:58 -0700
Dennis Fisher <fisher at plessthan.com> wrote:
> UNICODE: If I can generate "?" via unicode, the problem is
solved:
> 	mtext(side=3, paste0("N ", UNICODE, " ", XX, ":
", YY))
It should be possible to just copy & paste "?" in the R source
code
nowadays. If for some reason the script has to stay ASCII-encoded, use
'\u2265'.
> PLOTMATH:
> 	mtext(side=3, bquote(N <= .(XX) ~":" ~ .(YY)))
> This comes close:
> 	N ? 2 : 13
> but I want to remove the space between the 2 and ":"
Use paste(.(XX), ":") or even just .(XX) * ":" to output
them close
together.

-- 
Best regards,
Ivan

Use * instead of ~

XX <- 5
YY <- 10
plot(1:10)
mtext(side=3, bquote(N <= .(XX) ~":" ~ .(YY)))
mtext(side=1, bquote(N <= .(XX) *":" * .(YY)))

> On Jun 7, 2023, at 22:14, Dennis Fisher <fisher at plessthan.com>
wrote:
>
> R 4.2.3
> OS X
>
> Colleagues
>
> This should be easy -- but not for me.
>
> I want to plot text similar to this:
> N ? XX: YY
>
> where XX can be either 1 or 50 and YY is an integer
>
> I envision that there would be two solutions:
>
> UNICODE: If I can generate "?" via unicode, the problem is
solved:
> mtext(side=3, paste0("N ", UNICODE, " ", XX, ":
", YY))
>
> PLOTMATH:
> mtext(side=3, bquote(N <= .(XX) ~":" ~ .(YY)))
> This comes close:
> N ? 2 : 13
> but I want to remove the space between the 2 and ":"
>
> Dennis
>
>
>
> Dennis Fisher MD
> P < (The "P Less Than" Company)
> Phone / Fax: 1-866-PLessThan (1-866-753-7784)
> http://www.plessthan.com/
>
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