[R] expression + paste + arguments + ...

Spencer Graves spencer.graves at pdf.com
Fri Jul 30 03:15:11 CEST 2004

      I don't know latex, but have you looked at "?plotmath", including 
'demo(plotmath)', the examples in the documentation, and an R site 
search suggested in the posting guide 
(http://www.R-project.org/posting-guide.html)?  What you want is 
probably fairly easy, once you parse the "plotmath" documentation.  hope 
this helps.  spencer graves

ivo_welch-rstat8783 at mailblocks.com wrote:

> dear R wizards:  I would like to write a function that roughly places 
> the equivalent of the following latex text into the current plot:
>   \newcommand{ \placesigma }[4]{ \put(\#1,\#2){ \sigma_{A , #3} = #4 }
> I cannot figure out how to do this.  I know I have to use a function 
> that uses expressions in a text() invoke.  But passing arguments and 
> nesting strings and expressions has so far not worked for me.  I hope 
> this is an obvious question---if not, please just tell me and I can 
> give up.  help appreciated.
> sincerely,
> /iaw
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> PLEASE do read the posting guide! 
> http://www.R-project.org/posting-guide.html

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