[R] error bars

[Peter Dalgaard BSA]

Bryan Van de Ven <bvandeven at austin.rr.com> writes:

> How does one add error bars to an XY plot?  I looked but could not find
> anything about this.  (I'm sure I just missed something simple)

You didn't. They can be rather nicely fudged using arrows(...,
angle=90) though. Some fine day we got to get around to write up a
routine for it...

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907
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