[R] FracSim set.seed

[Peter Ehlers]

I think you may be out of luck. The randomization is in the
C-code of the function. You could recode that and build your
own version of the package. Or perhaps the authors would be
receptive to a request to make a suitable change.

  -Peter Ehlers

Selwyn McCracken wrote:
> Hi,
> 
> I am using the FracSim library to simulate a time series. However, the
> simulate function ignores my attempt to set the RNG seed I need for
> reproducible research. The published docs and google have not yielded an
> answer, so any help greatly received.
> 
> Thanks,
> Selwyn
> 
> ## Example code snippet
> library(FracSim)
> ## simulate some 1d fractal data
> set.seed(1234)
> sim1 = fracsim.1d(h=0.5,k=1000,n=5000)
> 
> ## reset the seed
> set.seed(1234)
> sim2 = fracsim.1d(h=0.5,k=1000,n=5000)
> 
> table(sim1$process == sim2$process)  ## not identical...
> 
> 	[[alternative HTML version deleted]]
> 
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> 

-- 
Peter Ehlers
University of Calgary