[R] Plotmath isn't working for special characters

[Uwe Ligges]

Yes, and is is fixed in R-4.2.2-pacthed for soe  time already.

Best,
Uwe Ligges


On 25.01.2023 15:48, Shawn Way wrote:
> I see the same thing using 4.2.2 on Windows 10.
> 
> 
> Thank you kindly,
> Shawn Way, PE   Director of Engineering
> Phone: (832) 403-0414
> Empower Pharmacy   Expanding Access.
>        
> 
> -----Original Message-----
> From: R-help <r-help-bounces using r-project.org> On Behalf Of David Stevens
> Sent: Wednesday, January 25, 2023 8:34 AM
> To: Bert Gunter <bgunter.4567 using gmail.com>
> Cc: r-help using r-project.org
> Subject: Re: [R] Plotmath isn't working for special characters
> 
> External Email: This message originated from outside Empower Pharmacy. Please exercise caution before opening attachments, clicking links, replying, or providing information to the sender.
> 
> 
> A more extensive test (no=produced an empty box on the plot, yes=produced the intended plotmath result). It appears that plotmath is not producing the special math characters. Greek symbols are produced. I'll try to reinstall R and report back.
> 
> David
> 
> plot(1,1, main = parse(text = "x >= y")) - no plot(1,1, main = parse(text = "x == y")) - yes plot(1,1, main = parse(text = "x <= y")) - no plot(1,1, main = parse(text = "x ~ y")) - yes plot(1,1, main = parse(text = "x * y")) - yes plot(1,1, main = parse(text = "x %~~% y")) - no
> 
> plot(1,1, main = bquote(x %~~% y)) - no
> plot(1,1, main = bquote(x  %prop% y)) - no
> 
> plot(1,1, main = expression(x  %prop% y)) - no plot(1,1, main = expression(x == y)) - yes plot(1,1, main = expression(x %+-% y)) - no plot(1,1, main = expression(integral(f(x)*dx, a, b))) - no plot(1,1, main = expression(sum(x[i], i==1, n))) - no plot(1,1, main = expression(x^(y + z))) - yes plot(1,1, main = expression(inf(x))) - no plot(1,1, main = expression(x[(y + z)])) - yes
> 
> David K Stevens, PhD, PE, Professor
> Civil and Environmental Engineering
> Utah Water Research Laboratory
> Utah State University
> 8200 Old Main Hill
> Logan, UT 84322-8200
> david.stevens using usu.edu<mailto:david.stevens using usu.edu>
> (435) 797-3229 (office)
> 
> On 1/24/2023 3:33 PM, Bert Gunter wrote:
> Also works for me on a Mac Ventura in the RStudio graphics device. Just for the heckuva it, does plot(1,1,main= quote( x >= y )) work? I shouldn't think so, but ...
> 
> Cheers,
> Bert
> 
> 
> 
> On Tue, Jan 24, 2023 at 1:43 PM David Stevens <david.stevens using usu.edu<mailto:david.stevens using usu.edu>> wrote:
> Simple expressions on plots, such as parse(text='x >= y') have been resulting in just a placeholder box (x box y and not the symbol) in my R plot labels in windows, R v 4.2.2. I haven't down an exhaustive test but <= and >= have this behavior.
> 
> plot(1,1,main=parse(text="x >= y"))
> 
> Has anyone else seen this?
> 
> best
> 
> David
> 
> --
> David K Stevens, PhD, PE, Professor
> Civil and Environmental Engineering
> Utah Water Research Laboratory
> Utah State University
> 8200 Old Main Hill
> Logan, UT 84322-8200
> david.stevens using usu.edu<mailto:david.stevens using usu.edu>
> (435) 797-3229 (office)
> 
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> ______________________________________________
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