[R] LaTeX in R

[Uwe Ligges]

Roy, Supratik wrote:

> I tried to include LaTeX expressions in the header of a plot in R.
> (1) Using PlotMath, LaTeX type expressions, e.g., R^x is possible, however,
> dist<-"...." (some string)
> ....main=expression(R^x,dist)....
> does not substitute the value of dist, as well do the proper superscripting.
> Also within an expression, substitute does not work, (apparently), so that 
> explicit substituting of "dist" does not take place. Pasting separately,
> like
>  ....main=paste(expression(R^x),dist)... does not work either.
> Is there any way out? Even if it is "trivial" please indicate any source of
> help.

See the examples in ?plotmath and how to use substitute. Also, you might 
want to look into the R Help Desk column in R News 2(3).


> (2) Problem in (1) is stated for a general graphics device and PlotMath has
> limited 
> capabilities. I am aware that the "TeX" option for the graphics device 

What is the "TeX" option, please?

Uwe Ligges


> is a way out, but when converted to eps or ps, and included in a LaTeX document,
> and compiled to produce pdf/ps files,
> the headers are not converted into meaningful symbols. Has anyone tried
> anything on this?
 >
> Many journals now have online submission procedures, which compile pdf files
> on site
> after the LaTeX file , and the figures, mostly required to be eps, are
> uploaded. I expect
> others to have come across similar problems.
> 
> Regards
> Supratik.
> 
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