On 06 Dec 2016, at 11:17 , Jim Lemon <drjimle...@gmail.com> wrote:
> Hi Paul,
> The easy to understand way is:
>
> n <- c(1:10)
> # Create empty list to store vectors
> list_of_vecs <- list()
>
> # Create n vectors of random numbers - length 10. This works ok.
> for (i in n){
> list_of_vecs[[i]]<-rnorm(10,0,1)
> }
As a principle, you want
list_of_vecs <- vector("list", 10)
to avoid extending the list on each iteration.
However, a simpler way is
replicate(10, rnorm(10), simplify=FALSE)
(where the simplify bit prevents conversion to 10x10 matrix)
or
lapply(1:10, function(i) rnorm(10))
--
Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Office: A 4.23
Email: pd....@cbs.dk Priv: pda...@gmail.com
______________________________________________
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.
