[R] How to add error bars to plot(x,y)in R?

[Sven Garbade]

Agustin Lobo wrote:
> 
> On Thu, 24 Jan 2002, Dirk Eddelbuettel wrote:
> 
> >
> >   "Ming" == mingliz2  <mingliz2 at netscape.net> writes:
> >   Ming>  Dear R Experts, Is there a way in R to add an error bar (say in the
> >   Ming> y direction) for each data point?
> >
> > This is a FAQ. Here is but one reply from the mailing list.
> >.../...
> >
> >      This comes up as a FAQ every so often (it hasn't yet been added to the
> >    official FAQ list), you can find it in the mail archives in several
> >    places.
> 
> The real solution would be adding this feature as an option
> to plot.

Maybe, but its very easy to add error bars to a plot. A nice example is
in 

http://cran.r-project.org/doc/contrib/rpsych.pdf

By, Sven
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