On Nov 4, 2006, at 10:57 AM, Jon Minton wrote: > Do any of you know if there's an equivalent function to the Stata > command: > > Use v1 v3 v5 v2 v7 using file.dat > > In R? (i.e. something that just selectively loads certain variables > from a > file and not others)?
How about (assuming that columns in 'file.dat' are separated by white space) data <- read.table("file.dat", header = T, sep = " ") # reads in the whole file data <- data[, c(1, 3, 5, 2, 7)] # keeps the columns you need For more, see http://finzi.psych.upenn.edu/R/doc/manual/R-data.html _____________________________ Professor Michael Kubovy University of Virginia Department of Psychology USPS: P.O.Box 400400 Charlottesville, VA 22904-4400 Parcels: Room 102 Gilmer Hall McCormick Road Charlottesville, VA 22903 Office: B011 +1-434-982-4729 Lab: B019 +1-434-982-4751 Fax: +1-434-982-4766 WWW: http://www.people.virginia.edu/~mk9y/ ______________________________________________ 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.