[R] R: x-y data

[Jeff Newmiller]

Or read ?attach

   attach(something)
   (x+y)/2
   detach(something)

jim holtman wrote:
> 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 at 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?

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