[R] help

[Warnes, Gregory R]

Alternatively, use the 'plotCI' function (or for standard errors,
'plotmeans' function) in the gregmisc package.  

-Greg

> -----Original Message-----
> From: Marc Schwartz [mailto:mschwartz at medanalytics.com]
> Sent: Friday, February 21, 2003 8:38 AM
> To: 'Thanjavur Bragadeesh'; r-help at stat.math.ethz.ch
> Subject: RE: [R] help
> 
> 
> >-----Original Message-----
> >From: r-help-admin at stat.math.ethz.ch 
> >[mailto:r-help-admin at stat.math.ethz.ch] On Behalf Of Thanjavur 
> >Bragadeesh
> >Sent: Monday, February 10, 2003 4:08 PM
> >To: r-announce at stat.math.ethz.ch
> >Subject: [R] help
> >
> >
> >
> >Hi,
> >
> >help.I would like to plot the mean and standard deviation 
> >against a factor 
> >in the xaxis- in other words I want an errorplot. I also want 
> >to put the 
> >standard deviation like a "T" on top of a barplot.  How can do 
> >this in R
> >
> >Bragadeesh
> 
> Look at the barplot2() function in the gregmisc package on CRAN.
> 
> A quick example using barplot2() and faked numbers:
> 
> 
> library(gregmisc)
> barplot2(c(5, 8, 4, 6, 9), plot.ci = TRUE, ci.l = c(5, 8, 4, 6, 9),
> ci.u = c(5.5, 8.3, 4.25, 6.7, 10.5))
> 
> 
> This will give you 5 vertical bars, with the upper bounds of the
> confidence intervals plotted on top of the bars. Note that I have
> specified that the lower bounds are the same as the bar values, which
> results in no lower intervals being plotted.  If you want both upper
> and lower bounds plotted, use appropriate values for the 'ci.l'
> argument.
> 
> There are other options for axis configuration, grid lines and so
> forth in barplot2() if you should need them.
> 
> Hope that helps,
> 
> Marc Schwartz
> 
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> 


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