[R] Problems with statistics

[Mike Lawrence]

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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>



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Mike Lawrence
Graduate Student
Department of Psychology
Dalhousie University
www.thatmike.com

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