On Wed, 19-Oct-2005 at 05:09PM +0200, Martin Maechler wrote:
|> Lists can have 'dim' attributes and hence be treated as arrays; |> Note that this is pretty rarely used and not too well supported |> by some tools, one could say even 'print()' : |> |> > set.seed(0); L0 <- L <- lapply(rpois(12, lambda=3), seq); dim(L) <- 3:4; L |> [,1] [,2] [,3] [,4] |> [1,] Integer,5 Integer,3 Integer,5 Integer,3 |> [2,] Integer,2 Integer,5 Integer,6 1 |> [3,] Integer,2 Integer,2 Integer,4 Integer,2 for an occasion such as this, it can be clearer to do: > transform(L) X1 X2 X3 X4 1 1, 2, 3, 4, 5 1, 2, 3 1, 2, 3, 4, 5 1, 2, 3 2 1, 2 1, 2, 3, 4, 5 1, 2, 3, 4, 5, 6 1 3 1, 2 1, 2 1, 2, 3, 4 1, 2 best -- Patrick Connolly HortResearch Mt Albert Auckland New Zealand Ph: +64-9 815 4200 x 7188 ~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~ I have the world`s largest collection of seashells. I keep it on all the beaches of the world ... Perhaps you`ve seen it. ---Steven Wright ~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~ ______________________________________________ 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