Re: [R] generating many matrices

From: hadley wickham <h.wickham_at_gmail.com>
Date: Wed, 06 Jun 2007 15:58:25 +0200

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



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