From: Gavin Simpson <gavin.simpson_at_ucl.ac.uk>

Date: Sat, 05 Jul 2008 17:43:46 +0100

R-help_at_r-project.org mailing list

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. Received on Sat 05 Jul 2008 - 16:49:05 GMT

Date: Sat, 05 Jul 2008 17:43:46 +0100

On Sat, 2008-07-05 at 18:21 +0200, Arnau Mir wrote:

> Hello.

*>
**> Somebody knows how can I generate a set of n random vectors of a normal
**> distribution of several variables?
**> For example, I want to generate n=100 random vectors of two dimensions for
**> a normal with mean c(0,1) and variance matrix: matrix(c(2,1,1,3),2,2).
*

One is mvrnorm() in the MASS package, part of the VR bundle that comes with R.

[1,] 2.7582876 1.04208798 [2,] 0.6364184 -0.08043244 [3,] -1.8897731 0.04051395 [4,] 2.6699881 0.83163661 [5,] -1.1942385 -1.17503716 [6,] -0.4303459 -0.80880649

**HTH
**
G

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