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 <[EMAIL PROTECTED]> 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? -- --------------------------------------------------------------------------- Jeff Newmiller The ..... ..... Go Live... DCN:<[EMAIL PROTECTED]> Basics: ##.#. ##.#. Live Go... Live: OO#.. Dead: OO#.. Playing Research Engineer (Solar/Batteries O.O#. #.O#. with /Software/Embedded Controllers) .OO#. .OO#. rocks...1k ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.