Indeed you are -- the syntax for selecting columns of a data frame (or components from a list).
Advice: Read "An Introduction to R" or online tutorial of your choice to learn proper syntax. Cheers, Bert Bert Gunter Genentech Nonclinical Biostatistics (650) 467-7374 "Data is not information. Information is not knowledge. And knowledge is certainly not wisdom." H. Gilbert Welch On Sat, Mar 15, 2014 at 9:21 PM, Jason Rupert <jasonkrup...@yahoo.com> wrote: > Evidently, I'm overlooking something simple. I'm trying to used order with > data.frame. > > > For example: > > t = data.frame(x = c(11,12,14), y = c(19,20,21), z = c(10,9,7)) > t[order(z), ] > Error in order(z) : object 'z' not found > > Thank you for any insights and advice provided. > [[alternative HTML version deleted]] > > > ______________________________________________ > R-help@r-project.org 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. > ______________________________________________ R-help@r-project.org 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.
