def test_get_average_payouts(self):
organisms = [self.organism_a, self.organism_b]
pd_tournament.get_average_payouts(organisms)
actual_payout_a = self.organism_a.average_payout
actual_payout_b = self.organism_b.average_payout
expected_payout_a = 2.97
expected_payout_b = 7.84
self.assertAlmostEqual(expected_payout_a, actual_payout_a, 2)
self.assertEqual(expected_payout_b, actual_payout_b)
organisms = [self.organism_a, self.organism_b, self.organism_a]
pd_tournament.get_average_payouts(organisms)
actual_payout_a = self.organism_a.average_payout
actual_payout_b = self.organism_b.average_payout
expected_payout_a = 3.46
expected_payout_b = 7.84
self.assertAlmostEqual(expected_payout_a, actual_payout_a, 2)
self.assertEqual(expected_payout_b, actual_payout_b)
def test_get_average_payouts(self):
organisms = [self.organism_a, self.organism_b]
pd_tournament.get_average_payouts(organisms)
actual_payout_a = self.organism_a.average_payout
actual_payout_b = self.organism_b.average_payout
expected_payout_a = 0
expected_payout_b = 9.8
self.assertEqual(expected_payout_a, actual_payout_a)
self.assertEqual(expected_payout_b, actual_payout_b)
organisms = [self.organism_a, self.organism_b, self.organism_a]
pd_tournament.get_average_payouts(organisms)
actual_payout_a = self.organism_a.average_payout
actual_payout_b = self.organism_b.average_payout
expected_payout_a = 1.98
expected_payout_b = 9.8
self.assertEqual(expected_payout_a, actual_payout_a)
self.assertEqual(expected_payout_b, actual_payout_b)
def test_get_average_payouts(self):
organisms = [self.organism_a, self.organism_b]
pd_tournament.get_average_payouts(organisms)
actual_payout_a = self.organism_a.average_payout
actual_payout_b = self.organism_b.average_payout
expected_payout_a = 0
expected_payout_b = 9.8
self.assertEqual(expected_payout_a, actual_payout_a)
self.assertEqual(expected_payout_b, actual_payout_b)
organisms = [self.organism_a, self.organism_b, self.organism_a]
pd_tournament.get_average_payouts(organisms)
actual_payout_a = self.organism_a.average_payout
actual_payout_b = self.organism_b.average_payout
expected_payout_a = 1.98
expected_payout_b = 9.8
self.assertEqual(expected_payout_a, actual_payout_a)
self.assertEqual(expected_payout_b, actual_payout_b)
def test_get_average_payouts(self):
organisms = [self.organism_a, self.organism_b]
pd_tournament.get_average_payouts(organisms)
actual_payout_a = self.organism_a.average_payout
actual_payout_b = self.organism_b.average_payout
expected_payout_a = 2.97
expected_payout_b = 7.84
self.assertAlmostEqual(expected_payout_a, actual_payout_a, 2)
self.assertEqual(expected_payout_b, actual_payout_b)
organisms = [self.organism_a, self.organism_b, self.organism_a]
pd_tournament.get_average_payouts(organisms)
actual_payout_a = self.organism_a.average_payout
actual_payout_b = self.organism_b.average_payout
expected_payout_a = 3.46
expected_payout_b = 7.84
self.assertAlmostEqual(expected_payout_a, actual_payout_a, 2)
self.assertEqual(expected_payout_b, actual_payout_b)
def get_next_generation_by_selection(organisms):
"""
Get next generation by selection is a function that takes a list of organisms
Shuffle the organisms and group them into TOURNAMENT_SIZEd clumps
For a given tournament size, it runs a tournament
selects the best half
Adds them to a population that becomes the next generation
If more tournaments more need to be run after all the clumps are used, we shuffle the
population and make more clumps
It repeats more tournaments until the next generation reaches the population size
"""
number_of_tournaments = len(organisms) // TOURNAMENT_SIZE
if not len(organisms) % TOURNAMENT_SIZE:
number_of_tournaments += 1
def generate_contenders(organisms):
while True:
random.shuffle(organisms)
for i in range(number_of_tournaments):
yield organisms[TOURNAMENT_SIZE * i: TOURNAMENT_SIZE * (i + 1)]
next_generation = []
#function that adds things to next generation
contender_generator = generate_contenders(organisms)
#pick organisms for tournament
#gets organisms average payout
for _ in range(number_of_tournaments):
contenders = next(contender_generator)
pd_tournament.get_average_payouts(contenders)
while len(next_generation) < len(organisms):
#pick organisms for the tournament
contenders = next(contender_generator)
#gets winners of contenders
winners = get_best_half(contenders)
#add winners to the next generation
next_generation += winners
#make next_generation same length as organisms
return next_generation[:len(organisms)]
def get_next_generation_by_selection(organisms):
"""
Get next generation by selection is a function that takes a list of organisms
Shuffle the organisms and group them into TOURNAMENT_SIZEd clumps
For a given tournament size, it runs a tournament
selects the best half
Adds them to a population that becomes the next generation
If more tournaments more need to be run after all the clumps are used, we shuffle the
population and make more clumps
It repeats more tournaments until the next generation reaches the population size
"""
number_of_tournaments = get_number_of_tournaments(organisms)
contender_generator = get_contender_generator(organisms)
#pick organisms for tournament
#gets organisms average payout
for _ in range(number_of_tournaments):
contenders = next(contender_generator)
pd_tournament.get_average_payouts(contenders)
return _get_next_generation(organisms, contender_generator)