[R] Syntax of Math Text

[cfleming@pressroom.com]

I am looking for a reference that describes the syntax for putting 
mathematical text on a plot. I managed to discover some of the syntax in the 
manual pages for "text", "title", and "legend". In particular, I am looking 
for the syntax for making subscripts. I did not have much luck searching the 
S-news archives and http://stat.ethz.ch/R/manual/.

Thank you,

Charles Fleming
cfleming at pressroom.com
Fairfax, Virginia

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