Hi,
tapply(x$val, x$label, summary)
On 25/10/2007, Bernd Jagla <[EMAIL PROTECTED]> wrote:
>
> Hi,
> I am new to R and couldn't find any information on how to handle my table
> data that I just read in the way I want to use it..
>
> I read in a table from a file:
> x <- read.delim("filenam", header=TRUE)
>
> one column (x$label) hold the class labels. Another holds some values
> (x$val).
> I want to calculate summary statistics for different classes.
>
> How would I do this?
>
> Thanks,
>
> Bernd
>
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>
--
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O
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