[R] set.seed(x)

[Michael Weylandt]

On Jun 13, 2013, at 18:32, Duncan Murdoch <murdoch.duncan at gmail.com> wrote:

> On 13/06/2013 11:59 AM, Pooya Lalehzari wrote:
>> Hello,
>> If I use set.seed(x) to set a seed for the random number generator, how can I undo that to revert a random output every time I run my code?
> 
> If you remove .Random.seed, then the next time a seed is needed it will be generated from the system clock, so it will appear random.

Also, in recent versions of R (>= 3.0.0 I believe) set.seed(NULL) will do the same. 

MW


> 
> Duncan Murdoch
> 
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