Hi Gianni,

Have a look at this function:
http://hosho.ees.hokudai.ac.jp/~kubo/Rdoc/library/gplots/html/plotCI.html

And please also read this:
http://en.wikipedia.org/wiki/Box_plot
So to know how a boxplot is constructed...



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On Fri, Jan 27, 2012 at 4:47 PM, gianni lavaredo
<gianni.lavaredo@gmail.com>wrote:

> Dear researchers
>
> I wish to plot a box plot without the mean line (the black line) and the i
> wish a full line for the standard deviation
>
> This is an example
>
> mytest <-
> c(2.1,2.6,2.7,3.2,4.1,4.3,5.2,5.1,4.8,1.8,1.4,2.5,2.7,3.1,2.6,2.8)
> boxplot(mytest)
>
>
> really thanks
>
> Gianni
>
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>
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> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

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