[R] error bars around a point

[Gabor Grothendieck]

Check out plotCI in package gregmisc.

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Date: Fri, 19 Dec 2003 17:16:43 -0700 
From: rex_bryan at urscorp.com <rexbryan1 at comcast.net>
To: <r-help at stat.math.ethz.ch> 
Subject: [R] error bars around a point  

 
 
All
Is there an R command to produce error bars around
a plotted point. Crawley's book uses the command
error.bar() but my version of R rejects it. Must be an
S+ command(?).

Thanks
REX