[R] graphing with error bars

[Roger D. Peng]

It's not too hard to write your own function using segments() or 
arrows().  Also, plotCI() in package `gregmisc' may do the job you need.

-roger

Lana Schaffer wrote:
> I am not able to find information about doing line plots with error
> bars in the R- help information. Would someone like to tell me if
> this can be done in R and either get me started or lead me to
> information about how to do the error bars? Thanks, Lana
> 
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