[R] generating many matrices

[hadley wickham]

On 6/6/07, Keun-Hyung Choi <khchoi at sfsu.edu> wrote:
> I'd like to generate many matrices (let's say 100 matrices of 4x4), of which
> diagonal elements are being drawn from each set of sample of known
> distribution.
>
> What would be the best way?  I've been trying to find any previous threads
> for this topic, but haven't been able to find one.

One approach would be:

replicate(100, diag(runif(4)), simplify=FALSE)

Hadley