[R] confidence-intervals in barchart

[Uwe Ligges]

TyagiAnupam at aol.com wrote:

> Hi R users,
> 
> 1)  How does one show confidence-intervals in a barchart and use rownames for 
> labels on the y-axes?  I have looked at "plotCI" in "gregmisc" package . But 
> it does not seem to produce something like a barchart.  The statistic, error, 
> upper-bound, and lower-bound are in a dataframe.
> 
> 2) How to show CI in a barchart either using the statistic and, either (a) 
> errors or (b) upper and lower bounds from a dataframe?
> 
> An example will be very helpful.
> 
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> 
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See the "R Help Desk" by Marc Schwartz in R News 3/2, 2003, pp. 2-6,
http://cran.r-project.org/doc/Rnews/Rnews_2003-2.pdf

Uwe Ligges