[R] Get identical results for parallel and sequential?

Uwe Ligges ligges at statistik.tu-dortmund.de
Sun Feb 12 19:13:38 CET 2012


Please do not double post.

Uwe Ligges


On 11.02.2012 23:20, slbfelix wrote:
> Hi All,
>
> I have a question about R parallel computing by using snowfall.
>
> How can I set the seeds on parallel workers to get the same result as
> sequential mode?
>
> For example:
>
>> sfSapply(c(1,1),rnorm)
> [1]  1.823082 -2.222052
>> rnorm(2)
> [1] -0.5179967 -1.0807196
>
> How to get the identical result?
>
> Thanks.
> Libo
>
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>
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