[R] Plotting an Underbrace in R

[Ben Bolker]

Michael McAssey <mpmcassey <at> gmail.com> writes:

> 
> I need to include some mathematical expressions in a plot I am creating in
> R, one of which requires an underbrace, which in LaTeX would be written like
> 
> \underbrace{T \cdots T}_{n times}
> 
> There does not appear to be a provision for this in plotmath, and I cannot
> find anything on the topic in the R-help archive or in a Google search.  I
> would appreciate some help with this.

  Does

<http://yihui.name/en/wp-content/uploads/2010/02/lyx-pgfsweave-demo.pdf>

 help at all?