def run(self):
"""
Creates and runs training episode
:param:
:return:
"""
data_provider = DataProvider(self.config)
hex_attr_df = data_provider.read_hex_bin_attributes()
hex_distance_df = data_provider.read_hex_bin_distances()
city_states = data_provider.read_city_states(self.city_states_filename)
neighborhood = data_provider.read_neighborhood_data()
popular_bins = data_provider.read_popular_hex_bins()
num_episodes = self.config['RL_parameters']['num_episodes']
ind_episodes = self.config['RL_parameters']['ind_episodes']
exp_decay_multiplier = self.config['RL_parameters']['exp_decay_multiplier']
q_ind = None
r_table = None
xi_matrix = None
best_episode = None
best_model = {}
progress_bar = tqdm(xrange(num_episodes))
for episode_id in progress_bar:
progress_bar.set_description("Episode: {}".format(episode_id))
current_best = -1000000
# Create episode
ind_exploration_factor = np.e ** (-1 * episode_id * exp_decay_multiplier / ind_episodes)
episode = Episode(self.config,
episode_id,
ind_exploration_factor,
hex_attr_df,
hex_distance_df,
city_states,
neighborhood,
popular_bins,
q_ind,
r_table,
xi_matrix)
# Run episode
tables = episode.run()
q_ind = tables['q_ind']
r_table = tables['r_table']
xi_matrix = tables['xi_matrix']
episode_tracker = tables['episode_tracker']
# Uncomment for logging if running a job, comment during experiments
# otherwise it leads to insanely huge logging output which is useless
# self.logger.info("""
# Expt: {} Episode: {} Earnings: {}
# Pax rides: {} Relocation rides: {} Unmet demand: {}
# """.format(self.expt_name, episode_id,
# episode_tracker.gross_earnings,
# episode_tracker.successful_waits,
# episode_tracker.relocation_rides,
# episode_tracker.unmet_demand))
# self.logger.info("----------------------------------")
self.training_tracker.update_RL_tracker(
episode_id, episode_tracker.gross_earnings,
episode_tracker.successful_waits, episode_tracker.unsuccessful_waits,
episode_tracker.unmet_demand, episode_tracker.relocation_rides,
episode_tracker.DET, episode_tracker.DPRT, episode_tracker.DWT,
episode_tracker.DRT, episode_tracker.DCT)
# Keep track of the best episode
if self.objective == 'revenue':
if episode_tracker.gross_earnings >= current_best:
best_episode = episode_tracker
current_best = best_episode.gross_earnings
else: # self.objective == 'pickups':
if episode_tracker.successful_waits >= current_best:
best_episode = episode_tracker
current_best = episode_tracker.successful_waits
# Keep track of the best model
best_model['ind_exploration_factor'] = ind_exploration_factor
best_model['config'] = self.config
best_model['q_ind'] = q_ind
best_model['r_table'] = r_table
best_model['xi_matrix'] = xi_matrix
best_model['training_tracker'] = self.training_tracker
# After finishing training
self.logger.info("Expt: {} Earnings: {} Met Demand: {} Unmet Demand: {}".format(self.expt_name,
best_episode.gross_earnings,
best_episode.successful_waits,
best_episode.unmet_demand))
return best_episode, best_model, self.training_tracker
def run(self):
"""
Creates and runs training episode
:param:
:return:
"""
data_provider = DataProvider(self.config)
hex_attr_df = data_provider.read_hex_bin_attributes()
hex_distance_df = data_provider.read_hex_bin_distances()
city_states = data_provider.read_city_states(
self.test_parameters['city_states_filename'])
model = data_provider.read_model(
self.test_parameters['model_filename'])
neighborhood = data_provider.read_neighborhood_data()
popular_bins = data_provider.read_popular_hex_bins()
q_ind = model['q_ind']
r_table = model['r_table']
xi_matrix = model['xi_matrix']
episode_id = 0
# Create episode
ind_exploration_factor = 0.0
episode = Episode(self.config, episode_id, ind_exploration_factor,
hex_attr_df, hex_distance_df, city_states,
neighborhood, popular_bins, q_ind, r_table,
xi_matrix, True)
# Run episode
tables = episode.run()
q_ind = tables['q_ind']
r_table = tables['r_table']
xi_matrix = tables['xi_matrix']
episode_tracker = tables['episode_tracker']
self.testing_tracker.update_RL_tracker(
0, episode_tracker.gross_earnings,
episode_tracker.successful_waits,
episode_tracker.unsuccessful_waits, episode_tracker.unmet_demand,
episode_tracker.relocation_rides, episode_tracker.DET,
episode_tracker.DPRT, episode_tracker.DWT, episode_tracker.DRT,
episode_tracker.DCT)
self.logger.info("""
Expt: {} Earnings: {}
Model: {}
Test day: {}
Num drivers: {}
Pax rides: {} Relocation rides: {} Unmet demand: {}
""".format(
self.expt_name, episode_tracker.gross_earnings,
self.test_parameters['model_filename'],
self.test_parameters['city_states_filename'],
self.config['RL_parameters']['num_drivers'],
episode_tracker.successful_waits, episode_tracker.relocation_rides,
episode_tracker.unmet_demand))
self.logger.info("----------------------------------")
return self.testing_tracker