Hi Toby and Maria,

I did a check on Toby's suggestion and it is not there:

R version 2.12.1 (2010-12-16)
 > ??barploterrbar
No help files found with alias or concept or title matching
'barploterrbar' using fuzzy matching.

Also I went to the following location which does not exist.
http://www.dkfz.de/abt0840/whuber

To Maria: here is a suggestion: to do the barplot with confidence 
intervals / errorbars:

look at the following R news under www.r-project.org
"An introduction to using R's base graphics." (see following citation)
on page 4 you will find explanations and code how to build bars with se.

[62] 	Marc Schwartz. R Help Desk: An introduction to using R's base 
graphics. /R News/, 3(2):2-6, October 2003. [ bib | http 
<http://CRAN.R-project.org/doc/Rnews/> | .pdf 
<http://CRAN.R-project.org/doc/Rnews/Rnews_2003-2.pdf> ]


HTH,

Aldi

On 2/17/2011 10:08 AM, Toby Marthews wrote:
> If you google "barplot with error bars" you immediately find http://svitsrv25.epfl.ch/R-doc/library/prada/html/barploterrbar.html .
> Toby.
>
> ________________________________________
> From: r-help-bounces@r-project.org [r-help-bounces@r-project.org] On Behalf Of Lathouri, Maria [m.lathouri06@imperial.ac.uk]
> Sent: 17 February 2011 16:00
> To: r-help@r-project.org
> Subject: [R] barplot with errorbars
>
> Dear all
>
> I have six variables of the average metal concentrations
>
> Var1 4.77
> Var2 23.5
> Var3 5.2
> Var4 12.3
> Var5 42.1
> Var6 121.2
>
> I want to plot them as a barplot with error bars. Could you help me?
>
> Cheers
> Maria
>
>
>

-- 



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