[R] error bars on xy plots and barplots and histograms

[Andrew Robinson]

Chris,

computation of confidence intervals is left to the user.  Showing them
can be achieved using the arrows() function.

I hope that this helps,

Andrew

On Thu, Oct 06, 2005 at 08:19:27AM -0600, Chris Buddenhagen wrote:
> Dear all
> 
> I have yet to find code for making and showing error bars. Is there some
> idea that the simple presentation of confidence intervals is not " good
> statistics"?
> 
> Any leads appreciated.
> 
> Chris Buddenhagen, Botany Department, Charles Darwin Research Station, Santa
> Cruz,Galapagos. Mail: Charles Darwin Foundation, Casilla 17-01-3891 Avenida
> 6 de Diciembre N36-109 y Pasaje California Quito, ECUADOR
>  
> 
> 
> 
> 
> 
> 
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-- 
Andrew Robinson
Senior Lecturer in Statistics                       Tel: +61-3-8344-9763
Department of Mathematics and Statistics            Fax: +61-3-8344-4599
University of Melbourne, VIC 3010 Australia
Email: a.robinson at ms.unimelb.edu.au    Website: http://www.ms.unimelb.edu.au