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Date: | Wed, 3 Jun 2015 08:16:25 -0400 |
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Then that must be a bug. I can look into it, but if you want to beat me to it, you might check out FloatVectorSpecies.
Sean
On Jun 3, 2015, at 4:20 AM, Eric Scott <[log in to unmask]> wrote:
> Dear Wizards,
>
> The JavaDoc for FloatVectorSpecies claims that when using Guassian mutation, "if the gene-by-gene range is used, than the standard deviation is scaled to reflect each gene's range."
>
> As far as I can tell, however, this doesn't actually happen. Stepping through the debugger with the following mutation parameters, I can watch DoubleVectorIndividual.gaussianMutation() as it samples from a std of 0.1 when mutation gene 0. I would have expected it to scale the std to be 0.0001 or such.
>
> pop.subpop.0.species.min-gene = -1.0
> pop.subpop.0.species.max-gene = 1.0
> pop.subpop.0.species.min-gene.0 = -.001
> pop.subpop.0.species.max-gene.0 = .001
> pop.subpop.0.species.mutation-type = gauss
> pop.subpop.0.species.mutation-stdev = 0.1
> pop.subpop.0.species.mutation-bounded = true
> pop.subpop.0.species.mutation-prob = 0.03
>
> Is this an error in the documentation? Or am I missing something?
>
> Thanks,
> Siggy
>
> --
>
> Ph.D student in Computer Science
> George Mason University
> http://mason.gmu.edu/~escott8/
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