.BG
.FN unlist
.TL
Make Vector From a List
.CS
unlist(data, recursive=T)
.AG data
any S object.
.RT
a vector made up by combining (see `c') the elements of `data'.
If `recursive' is `TRUE', each element of `data' is `unlist'ed
(with `recursive=T') before it is combined.
Thinking of `data' as a tree, the effect of `unlist' with
`recursive=T' is to produce a vector of all the leaves.
The mode of the result is the most general of all the modes of the
elements of `data', or of the leaves of `data' if `recursive=T'.
.SA
`c'; `c(...,recursive=r)' is equivalent to `unlist(list(...),recursive=r)'.
.EX
# build a vector of variable-length results
x <- list()
for(i in 1:n)
  x[[i]] <- fun(i)
x <- unlist(x,F)
.KW iteration
.WR
