Missed a bracket: lm(l ~. , DF[c("l", "b", "j", "x")])
On Thu, Feb 12, 2009 at 11:21 AM, Gabor Grothendieck <ggrothendi...@gmail.com> wrote: > If DF is a data frame with the variables, try this: > > lm(l ~. , DF[c("l", "b", "j", "x")) > > > On Thu, Feb 12, 2009 at 11:11 AM, <ivo...@gmail.com> wrote: >> dear r-experts: there is probably a very easy way to do it, but it eludes >> me right now. I have a large data frame with, say, 26 columns named "a" >> through "z". I would like to define "sets of regressors" from this data >> frame. something like >> >> myregressors=c("b", "j", "x") >> lm( l ~ myregressors, data=... ) >> >> is the best way to create new data frames that contain all the variables I >> want, then use ".", and then destroy them again? or am I overlooking >> something obvious? >> >> sincerely, >> >> /iaw >> >> [[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.