/// Do selection
public virtual void Selection()
{
// amount of random chromosomes in the new population
double randomAmount = randomSelectionPortion * (double)population.Count;
// do selection
RouletteWheelSelection r = new RouletteWheelSelection();
r.ApplySelection(population);
// population is reduced
// add random chromosomes
if (randomAmount > 0)
{
Chromosome ancestor = (Chromosome)population[0];
for (int i = 0; i < randomAmount; i++)
{
// create new chromosome
Chromosome c = ancestor.CreateOffspring();
// calculate it's fitness add it to population if fit
Evaluate(c);
}
}
}
