R help - Jan 2004 - Help Needed on plot Function

Dear all,
 
I want the title of the plot to print some parameters that change. Also, I want
some spots on the plot to be labeled. Is that possible?
 
Thanks in advance for your help.
 
Minghua

Look at ?substitute, ?expression, and ?paste. The archives are dense
with worked examples. Here's one example of a parameter in the title:

param <- pi
plot(1:100, log(1:100))
title(substitute(hat(theta) == param, list(param=param))) 

A search of the archives for "label points plot" turns up 100s of
hits.
http://cran.r-project.org/search.html

HTH, Andy