[mlpack-git] [mlpack/mlpack] NeuralEvolution - implemented gene, genome (#686)
Marcus Edel
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Wed Jul 13 10:20:11 EDT 2016
> + genome2.aLinkGenes[idx].Weight() * linkEnabledInGenome2);
> + ++coincident;
> + }
> + }
> +
> + deltaW = deltaW / coincident;
> + return deltaW;
> + }
> +
> + // Whether two genome belong to same species or not.
> + bool IsSameSpecies(Genome& genome1, Genome& genome2) {
> + double deltaD = Disjoint(genome1, genome2);
> + double deltaW = WeightDiff(genome1, genome2);
> + double delta = aCoeffDisjoint * deltaD + aCoeffWeightDiff * deltaW;
> +
> + if (delta < aCompatThreshold) {
Where does this ``aCompatThreshold = 1.0`` parameter come from? Depending on the calculation of the disjoint, excess, and weight difference this could be different.
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