Can you provide an example of your data.  Assuming that you have a .cvs file
and the column names are 'x' and 'y' and you have used 'read.csv', then you
would have:

(something$x + something$y) / 2



On 6/5/07, tronter <pev340002003@yahoo.com> wrote:
>
>
> Hello
>
> I have an Excel file with x-y data. I saved this file as a cvs file. Then
> I
> used the read.table() function to read the data into R. If I have a
> formula
> like (x+y)/2, how would I access x and y in R? I have the table named as
> something. But how do I access the individual columns if I want to plug
> them
> into the formula?
>
> Thanks
> --
> View this message in context:
> http://www.nabble.com/R%3A-x-y-data-tf3874502.html#a10978448
> Sent from the R help mailing list archive at Nabble.com.
>
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>



-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem you are trying to solve?

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