本文整理汇总了Python中population.Population.selection方法的典型用法代码示例。如果您正苦于以下问题：Python Population.selection方法的具体用法？Python Population.selection怎么用？Python Population.selection使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类population.Population的用法示例。
在下文中一共展示了Population.selection方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_breeding
# 需要导入模块: from population import Population [as 别名]
# 或者: from population.Population import selection [as 别名]
def test_breeding(self):
pop1 = Population(4)
result = pop1.evaluate()
pop1.selection()
pop1.breed()
self.assertEqual(len(pop1.pop), 4)
self.assertEqual(pop1.selected, [])
self.assertEqual(pop1.selected_indexes, [])
self.assertEqual(pop1.fitness_table, [])示例2: test_selection
# 需要导入模块: from population import Population [as 别名]
# 或者: from population.Population import selection [as 别名]
def test_selection(self):
pop1 = Population(4)
result = pop1.evaluate()
indexes, selected = pop1.selection()
self.assertEqual(pop1.selected_indexes, indexes)
self.assertEqual(pop1.selected, selected)
self.assertEqual(len(selected), 2)
self.assertEqual(len(indexes), 2)
for ind in selected:
self.assertEqual(ind.fitness, 1)
for i in indexes:
self.assertEqual(pop1.pop[i].fitness,1)