Exemple #1
0
    def revolution(self, args):
        #config
        if (args.crossmode == "one"):
            cross_func = Crossover.onePoint
        elif (args.crossmode == "two"):
            cross_func = Crossover.twoPoints
        else:
            cross_func = Crossover.randomPoints

        # Prepare dataset
        dataset = readDataset(args.dpath)

        # Create individuals & population
        ppl = Population()
        for i in range(args.individuals):
            individual = Individual()
            individual.createGene(dataset, args.gene)
            ppl.addInd(individual)

        # Evolution
        for i in range(args.revolution):
            # Evaluation population in individuals
            ppl.calcFitness(self.evaluate)
            if ((i % 10) == 0):
                ppl.show()

            # Select parents
            if (args.elite):
                parents = Select.Elite(ppl, args.esize, args.mode)
                parents.extend(
                    Select.Tournament(ppl, args.individuals - args.esize,
                                      args.tornsize, args.mode))
            else:
                parents = Select.Tournament(ppl, args.individuals,
                                            args.tornsize, args.mode)

            # Clossover
            children = cross_func(parents, args.individuals, args.gene,
                                  args.crossrate)

            # Mutation
            children = Mutation.mutation(children, args.mutaterate, dataset)
            # Swap children
            ppl.setPpl(children)

        # show result
        ppl.calcFitness(self.evaluate)
        ppl.show()
Exemple #2
0
                    gene1[j] = gene2[j]
            child.setGene(gene1)
            children.append(child)
        return (children)


if __name__ == "__main__":
    from readDataset import readDataset
    from individual import Individual
    from select import Select
    dataset = readDataset("./dataset/binary.txt")
    population = Population()
    for i in range(5):
        ind = Individual()
        ind.createGene(dataset, 10)
        population.addInd(ind)

    def evaluate(ind):
        fitness = sum(ind)
        return (fitness)

    population.calcFitness(evaluate)
    population.show()
    parents = Select.Tournament(population, 5, 3, "max")
    for ind in parents:
        ind.show()
    print("Onepoint")
    children = Crossover.onePoint(parents, 5, 10, 0.7)
    for ind in children:
        ind.show()
    print("Twopoints")