By the way, this also works: dfl <- data.frame(x = 1:3, y = I(list(1:2, 1:3, 1:4)))
As indicated in "Advanced R" book: http://adv-r.had.co.nz/Data-structures.html#data-frames ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
