[R] Random number generator used in 'runif'

Daniel Nordlund djnordlund at frontier.com
Mon Feb 18 21:37:49 CET 2013

> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org]
> On Behalf Of Mauricio Zambrano-Bigiarini
> Sent: Monday, February 18, 2013 1:33 AM
> To: r-help at r-project.org
> Subject: [R] Random number generator used in 'runif'
> Dear list,
> For the implementation of a particular optimization algorithm it is
> very important the random number generator.
> I would like to know if somebody could tell me what is the random
> number generator used by default in the 'runif' function.
> >From the help page of 'runif' and '.Random.seed' I guess that the
> default algorithm is 'Mersenne-Twister', but I would be really
> grateful if somebody with experience in random number generators could
> confirm that or tell me what is the method actually used.

No guessing necessary, as the R-help is quite explicit


The currently available RNG kinds are given below. kind is partially matched to this list. The default is "Mersenne-Twister".

Hope this is helpful,


Daniel Nordlund
Bothell, WA USA

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