DF <- data.frame(a = c(3, 4, 2, 3, 2, 4, 2), b = 7:1)) DF[do.call(order, DF),]
will sort on all the columns. On 11/28/06, michael watson (IAH-C) <[EMAIL PROTECTED]> wrote: > Hi > > Sorry to ask such a well oiled question, but even with multiple google hits I > don't think this has been answered very well. > > It's all well and good doing a sort of a data frame on multiple columns when > you know in advance which columns you want to sort on, but what about when > the names of the columns you wish to sort on are in a vector? > > At the minute I'm messing about with paste() to form a string that works for > order() and then calling do.call(). Is this really the best way of doing it? > > Thanks > Mick > > ______________________________________________ > 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. > ______________________________________________ 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.
