Michael Lachmann wrote: > Hi, > > R seems to have a feature that isn't used much, which I don't really > now how to call. But, the dimnames function, can in addition to giving > names to rows/columns/dim 3 rows/dim 4 rows... can also give labels to > the dimensions themselves.
Actually, this is used extensively in tabulations, and is the main reason for the existence of 1D-arrays (there's no way to name the names on an ordinary vector). > str(with(airquality,table(Month))) 'table' int [1:5(1d)] 31 30 31 31 30 - attr(*, "dimnames")=List of 1 ..$ Month: chr [1:5] "5" "6" "7" "8" ... > with(airquality,table(Month)) Month 5 6 7 8 9 31 30 31 31 30 -- Peter Dalgaard Center for Statistics, Copenhagen Business School Phone: (+45)38153501 Email: pd....@cbs.dk Priv: pda...@gmail.com ______________________________________________ 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.