[R] Question on where samples are grouped in rmvnorm{mvtnorm}

[Uwe Ligges]

On 01.05.2011 05:39, Chee Chen wrote:
> Dear All,
> For function:  rmvnorm{mvtnorm}  in (library

No, it is a package, not a library!

> mvtnorm, not splus2R), if I generate 2 bivariate normal samples as follows:
>> rmvnorm(2,mean=rep(0,2),sigma=diag(2))
>             [,1]      [,2]
> [1,]  2.0749459 1.4932752
> [2,] -0.9886333 0.3832266
 >

> Where is the first sample, it is stored in the first row or the first column?
> Does this function store samples row-wise or column-wise?

Hmmm, you could do something to find out which is much faster than 
writing this message: Try to generate 3 bivariate samples and look if 
you got 3 rows or 3 columns now!

Uwe Ligges




> Thank you,
> -Chee
> 	[[alternative HTML version deleted]]
>
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