[R] R Parallel question

slbfelix libosun at rams.colostate.edu
Sat Feb 11 23:12:30 CET 2012

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?

Libo Sun

Graduate Student,
Department of Statistics,
Colorado State University
Fort Collins, CO

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