[R] Elementwise c() for lists
thomas at biostat.washington.edu
Mon Mar 20 17:43:37 CET 2000
On Mon, 20 Mar 2000, Trenkler, Dietrich wrote:
> I have two lists of equal lengths. Each one consists of vectors. Is
> there an elegant way to combine them elementwise? Elegant means: without
> For instance, for
> > jja_list(1:3,4:7)
> > jjb_list(rep(0,4),(2,5))
> I would like to get:
> > list(c(1:3,rep(0,4)),c(4:7,rep(2,5))).
We are currently considering a 'lapplyAll' function that would be the most
elegant solution to your problem (analogous to the LISP mapcar function).
For the time being
with an obvious generalisation to three or more lists.
It's not substantially faster than a for() loop, though.
Assistant Professor, Biostatistics
University of Washington, Seattle
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