Hadley, Thanks for the recommended reading. Is there R code to make
recommended plots?

Stuart

On Mon, Dec 13, 2010 at 5:22 PM, Hadley Wickham <hadley@rice.edu> wrote:

> Before doing that, I'd highly recommend reading
> http://biostat.mc.vanderbilt.edu/twiki/pub/Main/TatsukiRcode/Poster3.pdf
>
> Hadley
>
> On Sat, Dec 11, 2010 at 8:43 AM, Ali Zanaty <zanaty2005@yahoo.com> wrote:
> > Dear All R users:
> >
> > I hope that this message finds all of you well.
> >
> > Currently, I am teaching an undergraduate course in statistics.
> >
> > If possible, Could you please help me out how to add plus/minus 1
> standard
> > deviation added to each bar into R cluster bar chart.
> >
> > You can use the following artificial data.
> >
> > data cat 1 cat 2
> > 23     1      1
> > 45     1      1
> > 34     1      1
> > 5      1      1
> > 32     1      1
> > 44     1      1
> > 3      2      1
> > 1      2      1
> > 2      2      1
> > 3      2      1
> > 4      2      1
> > 5      1      2
> > 6      1      2
> > 7      1      2
> > 8      1      2
> > 544    2      2
> > 78     2      2
> > 543    2      2
> > 34     2      2
> > 89     2      2
> > 9      1      3
> > 43     1      3
> > 23     1      3
> > 45     1      3
> > 7      1      3
> > 5      1      3
> > 7      1      3
> > 6      2      3
> > 867    2      3
> > 3      2      3
> > 4      2      3
> > 5      2      3
> > 6      2      3
> > 7      2      3
> > 8      2      3
> > 9      2      3
> >
> > I need to create a bar chart for the mean of data column for each
> category. I
> > know how to create the cluster bar chart. But I need your help with how
> to add
> > plus/minus 1 standard deviation into each bar.
> >
> > Thank you so much for your helps and for your attention to this matter,
> and I
> > look forward to hearing from you.
> >
> >
> > Regards,
> >
> > zanaty
> >
> >
> >
> >        [[alternative HTML version deleted]]
> >
> > _______________________________________________
> > R-sig-teaching@r-project.org mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-sig-teaching
> >
>
>
>
> --
> Assistant Professor / Dobelman Family Junior Chair
> Department of Statistics / Rice University
> http://had.co.nz/
>
> _______________________________________________
> R-sig-teaching@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-sig-teaching
>

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