n.means = with(my.data,aggregate(n_red,list(n=n),mean))
plot(n.means)
On Thu, Jan 22, 2009 at 5:17 PM, <odif at gmx.de>
wrote:> Hello,
>
> I have the following csv file
>
> n, n_red
> 1, 0
> 1, 1
> 2, 1
> 2, 1
> 3, 0
> 4, 1
> 4, 2
> 4, 3
>
> I would like to plot this data. On the x-axis there should be n and on the
> y-axis the mean of all n_red where n is the according value on the x-axis.
> The plot should look like plotting the following data:
>
> n, n_red
> 1, 0.5
> 2, 1
> 3, 0
> 4, 2
>
> Is there any simple way to do this?
>
> Greetings
> odif
>
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--
Mike Lawrence
Graduate Student
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Dalhousie University
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