R help - Jan 2023 - Plotmath isn't working for special characters

On 1/24/23 3:33 PM, David Stevens 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?

	  What's your "sessionInfo()"?


	  I got the symbol, not problem.  Spencer Graves


sessionInfo()
R version 4.2.2 (2022-10-31)
Platform: x86_64-apple-darwin17.0 (64-bit)
Running under: macOS Big Sur 11.7.2

Matrix products: default
LAPACK: 
/Library/Frameworks/R.framework/Versions/4.2/Resources/lib/libRlapack.dylib

locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods
[7] base

loaded via a namespace (and not attached):
[1] compiler_4.2.2  tools_4.2.2     rstudioapi_0.14
[4] remotes_2.4.2
 > >
> best
> 
> David
>

?s 21:53 de 24/01/2023, Spencer Graves escreveu:
> 
> 
> On 1/24/23 3:33 PM, David Stevens 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?
> 
> 
>  ????? What's your "sessionInfo()"?
> 
> 
>  ????? I got the symbol, not problem.? Spencer Graves
> 
> 
> sessionInfo()
> R version 4.2.2 (2022-10-31)
> Platform: x86_64-apple-darwin17.0 (64-bit)
> Running under: macOS Big Sur 11.7.2
> 
> Matrix products: default
> LAPACK: 
> /Library/Frameworks/R.framework/Versions/4.2/Resources/lib/libRlapack.dylib
> 
> locale:
> [1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
> 
> attached base packages:
> [1] stats???? graphics? grDevices utils???? datasets? methods
> [7] base
> 
> loaded via a namespace (and not attached):
> [1] compiler_4.2.2? tools_4.2.2???? rstudioapi_0.14
> [4] remotes_2.4.2
>  > >
>> best
>>
>> David
>>
> 
> ______________________________________________
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> PLEASE do read the posting guide 
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> and provide commented, minimal, self-contained, reproducible code.
Hello,

I can reproduce the problem in RGui, R 4.2.2 on Windows 11.
Any of the following solved it.


plot(1,1, main=bquote(x~"\u2265"~y))
plot(1,1, main=expression(x~"\u2265"~y))


Hope this helps,

Rui Barradas