def __init__(self, config):
"""
Constructor
:param config:
:return:
"""
self.config = config
self.logger = logging.getLogger("so_logger")
self.data_provider = DataProvider(self.config)
self.data_exporter = DataExporter(self.config)
def run(self):
"""
Execute the job
:param:
:return:
"""
self.logger.info("Starting job: GuruDataProcessor\n")
data_provider = DataProvider(self.config)
data_exporter = DataExporter(self.config)
# Read guru data
df = data_provider.read_guru_user_data()
df = df[[3, 4]] # Salary and skills columns
df.columns = ['cost', 'skills']
df = df[(df.cost != "$0") & (df.skills != "UNKNOWN")]
df = df.reset_index(drop=True)
df = df.assign(user_id=df.index.values)
df = df.assign(skills=df.apply(lambda x: x['skills'][:-1].split(','), axis=1))
# Convert cost to integers
user_df = df.assign(cost=df.apply(lambda x: int(x['cost'][1:]), axis=1))
# Read skills data
df = data_provider.read_guru_skill_data()
df = df[[1]]
df.columns = ['skill']
skill_df = df.assign(skill_id=df.index.values)
# Create multilabel binarizer
mlb = MultiLabelBinarizer(classes=skill_df.skill.values)
# One hot encoding of user skills
skills = mlb.fit_transform(user_df['skills'])
# Create dataset
users = user_df.to_dict('records')
for i in range(len(users)):
users[i]['skills_array'] = skills[i]
# Export csv files
data_exporter.export_csv_file(user_df, "guru/guru_user_df.csv")
data_exporter.export_csv_file(skill_df, "guru/guru_skill_df.csv")
# Scaling factor for submodular function
scaling_factor = 1
# Create and export data object to be used in experiments
# containing all methods related to guru data
guru = GuruData(self.config, user_df, skill_df, users, scaling_factor)
data_exporter.export_dill_file(guru, "guru/guru_data.dill")
self.logger.info("Finished job: GuruDataProcessor")
def __init__(self, config_):
"""
Constructor
:param config_:
:return:
"""
self.config = config_
self.logger = logging.getLogger("cuda_logger")
data_provider = DataProvider(self.config)
filename = self.config['city_state_creator'].get(
'filename', 'city_states.dill')
self.city_states = data_provider.read_city_states(filename)
self.reg_models = data_provider.read_regression_models()
def __init__(self, config_, year, month, weekday):
"""
Constructor
:param config_:
:return:
"""
self.config = config_
self.year = year
self.month = month
self.weekday = weekday
self.logger = logging.getLogger("cuda_logger")
data_provider = DataProvider(self.config)
hex_attr_df = data_provider.read_hex_bin_attributes()
hex_attr_df['center'] = hex_attr_df.apply(self.calculate_bin_center,
axis=1)
self.hex_attr_df = hex_attr_df
def get_trips_data(self):
"""
Gets data for appropriate weekday and month
:param:
:return df:
"""
# Create SQL query
query = """ \
SELECT \
*,
HOUR(tpep_pickup_datetime) as pickup_hour\
FROM \
`yt-{0}-{1}` \
WHERE \
WEEKDAY(tpep_pickup_datetime) like {2} \
AND pickup_bin IS NOT NULL \
AND dropoff_bin IS NOT NULL \
AND pickup_bin != dropoff_bin; \
"""
# Read query output and select required columns
df = DataProvider.read_sql_query(
query.format(self.month, self.year, self.weekday))
cols = [
'tpep_pickup_datetime', 'tpep_dropoff_datetime', 'trip_distance',
'fare_amount', 'duration_seconds', 'pickup_bin', 'dropoff_bin',
'pickup_hour'
]
df = df[cols]
return df
def __init__(self, config_):
"""
Constructor
:param config_:
:returns:
"""
self.config = config_
self.logger = logging.getLogger("cuda_logger")
self.start_time = self.config["city_state_creator"]["start_time"]
self.end_time = self.config["city_state_creator"]["end_time"]
self.time_slice_duration = self.config["city_state_creator"][
"time_slice_duration"]
self.time_unit_duration = self.config["city_state_creator"][
"time_unit_duration"]
data_provider = DataProvider(self.config)
hex_attr_df = data_provider.read_hex_bin_attributes()
hex_dist_df = data_provider.read_hex_bin_distances()
self.hex_bins = hex_attr_df['hex_id'].values
self.hex_dist = hex_dist_df[[
'pickup_bin', 'dropoff_bin', 'straight_line_distance'
]]
def __init__(self, config_):
"""
Constructor
:param config_:
:return:
"""
self.config = config_
self.logger = logging.getLogger("gym_logger")
data_provider = DataProvider(self.config)
# City state parameters
self.city_states = data_provider.read_city_states()
self.hex_attr_df = data_provider.read_hex_bin_attributes()
self.hex_bins = self.hex_attr_df['hex_id']
self.T = len(self.city_states) # Number of time steps
self.S = len(self.hex_bins) # Number of hex bins
# Environment parameters
self.num_drivers = self.config['env_parameters']['num_drivers']
self.distribution = self.config['env_parameters'][
'driver_distribution']
self.next_free_timestep = np.zeros(
self.num_drivers) # Next free timestep for each driver
self.total_driver_earnings = np.zeros(
self.num_drivers) # Total earnings for each driver
# Environment action and observation space
actions = [7 for i in range(self.S)]
drivers = [self.num_drivers for i in range(self.S)]
self.action_space = spaces.MultiDiscrete(actions)
# self.observation_space = spaces.Tuple((
# # spaces.Discrete(self.T), # Time step
# spaces.MultiDiscrete(drivers) # Driver distribution
# ))
self.observation_space = spaces.MultiDiscrete(drivers)
self.reset()
def run(self):
"""
This method executes the job
:param:
:return:
"""
self.logger.info("Starting job: NeighborhoodDataExportJob\n")
data_provider = DataProvider(self.config)
data_exporter = DataExporter(self.config)
hex_attr_df = data_provider.read_hex_bin_attributes()
hex_bins = hex_attr_df['hex_id'].values
data = {}
for r in xrange(self.radius + 1):
data[r] = {}
for hex_bin in hex_bins:
neighbors = hex_neighborhood(hex_bin, hex_attr_df, r)
zero_vector = np.zeros(len(hex_bins))
np.put(zero_vector, neighbors, 1)
one_hot_encoding_vector = zero_vector
data[r][hex_bin] = one_hot_encoding_vector
data_exporter.export_neighborhood_data(data)
self.logger.info("Finished job: NeighborhoodDataExportJob")
class BaselineDriver(object):
def __init__(self, config):
self.config = config
self.logger = logging.getLogger("baseline_logger")
self.data_provider = DataProvider(self.config)
self.data_exporter = DataExporter(self.config)
@staticmethod
def run_baseline(baseline_config):
baseline_name = baseline_config['name']
baseline_count = baseline_config['count']
config = baseline_config['config']
city_states = baseline_config['city_states']
episode_rewards = []
if baseline_name == "cDQN":
baseline = cDQN(config)
rewards = baseline.run(city_states)
for _ in range(len(rewards)):
episode_rewards.append({
'agent': 'cDQN',
'episode': _,
'run': baseline_count,
'earnings': rewards[_]
})
if baseline_name == "cA2C":
baseline = cA2C(config)
rewards = baseline.run(city_states)
for _ in range(len(rewards)):
episode_rewards.append({
'agent': 'cA2C',
'episode': _,
'run': baseline_count,
'earnings': rewards[_]
})
if baseline_name == "A2C":
baseline = A2C(config)
rewards = baseline.run(city_states)
for _ in range(len(rewards)):
episode_rewards.append({
'agent': 'A2C',
'episode': _,
'run': baseline_count,
'earnings': rewards[_]
})
return episode_rewards
def run(self):
self.logger.info("Starting baselines")
city_states = self.data_provider.read_city_states()
baseline_list = self.config['baselines']['baseline_list']
# Create a pool of processes
num_processes = mp.cpu_count()
self.logger.info("Processes: {}".format(num_processes))
pool = ProcessPool(nodes=num_processes)
configs = []
for count in range(10):
for name in baseline_list:
configs.append({
'name': name,
'count': count,
'config': self.config,
'city_states': city_states
})
results = pool.amap(self.run_baseline, configs).get()
pool.close()
pool.join()
pool.clear()
episode_rewards = []
for result in results:
episode_rewards += result
self.data_exporter.export_baseline_data(episode_rewards)
self.logger.info("Finished baselines")
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
class Experiment02(object):
"""
Experiment02 class
"""
def __init__(self, config):
"""
Constructor
:param config:
:return:
"""
self.config = config
self.logger = logging.getLogger("so_logger")
self.data_provider = DataProvider(self.config)
self.data_exporter = DataExporter(self.config)
@staticmethod
def run_algorithm(args):
# Run algorithm
alg = AlgorithmDriver()
data = alg.run(*args)
return data
def set_scaling_factor(self,data):
# Find appropriate scaling factor
alg = SetCoverGreedy(self.config, data.submodular_func, data.E)
sol = alg.run()
submodular_val = data.submodular_func(sol)
cost = data.cost_func(sol)
scaling_factor = data.scaling_func(submodular_val, cost)
# Update scaling factor
data.scaling_factor = scaling_factor
def run(self):
"""
Run experiment
:param:
:return:
"""
self.logger.info("Starting experiment 02")
self.expt_config = self.config['experiment_configs']['experiment_02']
popular_threshold = self.expt_config['popular_threshold']
rare_threshold = self.expt_config['rare_threshold']
user_sample_ratios = [0.4,1]
seeds = [i for i in range(6,10)]
ks = [1,5,10,15,20,25,30,35,40,45,50]
sampling_epsilon_values_stochastic = [0.1,0.05,0.01,0.005]
error_epsilon_values_scaled_threshold = [0.2,0.15,0.1,0.05]
num_sampled_skills = 50
rare_sample_fraction = 0.1
popular_sample_fraction = 0.1
scaling_factor = 800
alg = AlgorithmDriver()
results = []
for seed in seeds:
for user_sample_ratio in user_sample_ratios:
self.logger.info("Experiment for user sample ratio: {} and scaling factor: {} and seed: {}".format(user_sample_ratio,scaling_factor,seed))
# Load dataset
data = self.data_provider.read_freelancer_data_obj()
config = self.config.copy()
alg.create_sample(config, data, num_sampled_skills, rare_sample_fraction, popular_sample_fraction,
rare_threshold,popular_threshold, user_sample_ratio, seed)
self.logger.info("Scaling factor for submodular function is: {}".format(scaling_factor))
# Distorted Greedy
for k in ks:
# Run algorithm
start = timer()
result = alg.run(self.config, data, "distorted_greedy",
None, None, scaling_factor, num_sampled_skills,
rare_sample_fraction, popular_sample_fraction, rare_threshold, popular_threshold,
user_sample_ratio, seed, k)
end = timer()
result['runtime'] = end - start
results.append(result)
self.logger.info("Algorithm: {} and k: {} and runtime: {}".format("distorted_greedy",k,end - start))
self.logger.info("\n")
# Stochastic Distorted Greedy
for k in ks:
for sample_epsilon in sampling_epsilon_values_stochastic:
# Run algorithm
start = timer()
result = alg.run(config, data, "stochastic_distorted_greedy",
sample_epsilon, None, scaling_factor, num_sampled_skills,
rare_sample_fraction, popular_sample_fraction, rare_threshold, popular_threshold,
user_sample_ratio, seed, k)
end = timer()
result['runtime'] = end - start
results.append(result)
self.logger.info("Algorithm: {} and epsilon: {} and k: {} and runtime: {}".format("stochastic_distorted_greedy",sample_epsilon,k,end - start))
self.logger.info("\n")
# Cost Scaled Greedy
for k in ks:
# Run algorithm
start = timer()
result = alg.run(self.config, data, "cost_scaled_greedy",
None, None, scaling_factor, num_sampled_skills,
rare_sample_fraction, popular_sample_fraction, rare_threshold, popular_threshold,
user_sample_ratio, seed, k)
end = timer()
result['runtime'] = end - start
results.append(result)
self.logger.info("Algorithm: {} and k: {} and runtime: {}".format("cost_scaled_greedy",k,end - start))
self.logger.info("\n")
# Cost scaled lazy exact greedy
for k in ks:
# Run algorithm
start = timer()
result = alg.run(self.config, data, "cost_scaled_lazy_greedy",
None, None, scaling_factor, num_sampled_skills,
rare_sample_fraction, popular_sample_fraction, rare_threshold, popular_threshold,
user_sample_ratio, seed, k)
end = timer()
result['runtime'] = end - start
results.append(result)
self.logger.info("Algorithm: {} and k: {} and runtime: {}".format("cost_scaled_lazy_greedy",k,end - start))
self.logger.info("\n")
# Greedy
for k in ks:
# Run algorithm
start = timer()
result = alg.run(self.config, data, "greedy",
None, None, scaling_factor, num_sampled_skills,
rare_sample_fraction, popular_sample_fraction, rare_threshold, popular_threshold,
user_sample_ratio, seed, k)
end = timer()
result['runtime'] = end - start
results.append(result)
self.logger.info("Algorithm: {} and k: {} and runtime: {}".format("greedy",k,end - start))
self.logger.info("\n")
# Scaled Single Threshold Greedy
for k in ks:
for error_epsilon in error_epsilon_values_scaled_threshold:
# Run algorithm
start = timer()
result = alg.run(self.config, data, "scaled_single_threshold_greedy",
None, error_epsilon, scaling_factor, num_sampled_skills,
rare_sample_fraction, popular_sample_fraction, rare_threshold, popular_threshold,
user_sample_ratio, seed, k)
end = timer()
result['runtime'] = end - start
results.append(result)
self.logger.info("Algorithm: {} and epsilon: {} and k: {} and runtime: {}".format("scaled_single_threshold_greedy",error_epsilon,k,end - start))
self.logger.info("\n")
# Baseline Top k
for k in ks:
# Run algorithm
start = timer()
result = alg.run(self.config, data, "baseline_topk",
None, None, scaling_factor, num_sampled_skills,
rare_sample_fraction, popular_sample_fraction, rare_threshold, popular_threshold,
user_sample_ratio, seed, k)
end = timer()
result['runtime'] = end - start
results.append(result)
self.logger.info("Algorithm: {} and k: {} and runtime: {}".format("baseline_topk",k,end - start))
self.logger.info("\n")
self.logger.info("Finished experiment 02")
# Export results
df = pd.DataFrame(results)
self.data_exporter.export_csv_file(df, "experiment_02_freelancer_pop01_rare01_greedy.csv")
self.logger.info("Exported experiment_02 results")
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):
"""
Execute the job
:param:
:return:
"""
self.logger.info("Starting job: FreelancerDataProcessor\n")
data_provider = DataProvider(self.config)
data_exporter = DataExporter(self.config)
# Read freelancer data
df = data_provider.read_freelancer_user_data()
df_cost = df[[1]] # Salary/Hour
df_skills = df[df.columns[4::2]]
df_skills.replace(to_replace=["Other Skills"], value="", inplace=True)
df_skills = (df_skills.iloc[:, 0].map(str) + ',' +
df_skills.iloc[:, 1].map(str) + ',' +
df_skills.iloc[:, 2].map(str) + ',' +
df_skills.iloc[:, 3].map(str) + ',' +
df_skills.iloc[:, 4].map(str) + ',' +
df_skills.iloc[:, 5].map(str)) # Skills
user_df = pd.DataFrame()
user_df['cost'] = df_cost.iloc[:, 0].tolist()
# Converting all strings to lower case
user_df['skills'] = df_skills.str.lower().tolist()
user_df = user_df.reset_index(drop=True)
user_df = user_df.assign(user_id=user_df.index.values)
user_df = user_df.assign(skills=user_df.apply(
lambda x: x['skills'][:-1].split(','), axis=1))
# Convert cost to integers
user_df.cost = user_df.cost.astype(int)
# Read skills data
df = data_provider.read_freelancer_skill_data()
df = df[[1]]
df.columns = ['skill']
skill_df = df.assign(skill_id=df.index.values)
# Create multilabel binarizer
mlb = MultiLabelBinarizer(classes=skill_df.skill.values)
# One hot encoding of user skills
skills = mlb.fit_transform(user_df['skills'])
# Create dataset
users = user_df.to_dict('records')
for i in range(len(users)):
users[i]['skills_array'] = skills[i]
# Export csv files
data_exporter.export_csv_file(user_df,
"freelancer/freelancer_user_df.csv")
data_exporter.export_csv_file(skill_df,
"freelancer/freelancer_skill_df.csv")
# Scaling factor for submodular function
scaling_factor = 1
# Create and export data object to be used in experiments
# containing all methods related to freelancer data
freelancer = FreelancerData(self.config, user_df, skill_df, users,
scaling_factor)
data_exporter.export_dill_file(freelancer,
"freelancer/freelancer_data.dill")
self.logger.info("Finished job: FreelancerDataProcessor")
class Experiment03(object):
"""
Experiment03 class
"""
def __init__(self, config):
"""
Constructor
:param config:
:return:
"""
self.config = config
self.logger = logging.getLogger("so_logger")
self.data_provider = DataProvider(self.config)
self.data_exporter = DataExporter(self.config)
@staticmethod
def run_algorithm(args):
# Run algorithm
alg = AlgorithmDriver()
data = alg.run(*args)
return data
def set_scaling_factor(self, data):
# Find appropriate scaling factor
alg = SetCoverGreedy(self.config, data.submodular_func, data.E)
sol = alg.run()
submodular_val = data.submodular_func(sol)
cost = data.cost_func(sol)
scaling_factor = data.scaling_func(submodular_val, cost)
# Update scaling factor
data.scaling_factor = scaling_factor
def run(self):
"""
Run experiment
:param:
:return:
"""
self.logger.info("Starting experiment 03")
self.expt_config = self.config['experiment_configs']['experiment_03']
popular_threshold = self.expt_config['popular_threshold']
rare_threshold = self.expt_config['rare_threshold']
user_sample_ratios = [0.05, 0.1]
seeds = [i for i in range(6, 10)]
sampling_epsilon_values_stochastic = [0.1, 0.05, 0.01, 0.005]
error_epsilon_values_scaled_threshold = [0.2, 0.15, 0.1, 0.05]
num_sampled_skills = 50
rare_sample_fraction = 0.1
popular_sample_fraction = 0.1
scaling_factor = 800
alg = AlgorithmDriver()
results = []
for seed in seeds:
for user_sample_ratio in user_sample_ratios:
# Load dataset
data = self.data_provider.read_freelancer_data_obj()
config = self.config.copy()
alg.create_sample(config, data, num_sampled_skills,
rare_sample_fraction,
popular_sample_fraction, rare_threshold,
popular_threshold, user_sample_ratio, seed)
self.logger.info(
"Experiment for user sample ratio: {} and scaling factor: {} and seed: {} and number of elements: {}"
.format(user_sample_ratio, scaling_factor, seed,
len(data.E)))
self.logger.info(
"Scaling factor for submodular function is: {}".format(
scaling_factor))
# Total number of elements
n = len(data.E)
# Distorted Greedy
total_runtime = 0
for k in range(1, n + 1):
# Run algorithm
start = timer()
result = alg.run(self.config, data, "distorted_greedy",
None, None, scaling_factor,
num_sampled_skills, rare_sample_fraction,
popular_sample_fraction, rare_threshold,
popular_threshold, user_sample_ratio,
seed, k)
end = timer()
print('Previous runtime:', total_runtime, 'new runtime:',
end - start)
total_runtime += end - start
result['runtime'] = total_runtime
results.append(result)
self.logger.info(
"Algorithm: {} and k: {} and runtime: {}".format(
"distorted_greedy", k, total_runtime))
self.logger.info("\n")
# Stochastic Distorted Greedy
total_runtime = 0
for k in range(1, n + 1):
for sample_epsilon in sampling_epsilon_values_stochastic:
# Run algorithm
start = timer()
result = alg.run(
config, data, "stochastic_distorted_greedy",
sample_epsilon, None, scaling_factor,
num_sampled_skills, rare_sample_fraction,
popular_sample_fraction, rare_threshold,
popular_threshold, user_sample_ratio, seed, k)
end = timer()
total_runtime += end - start
result['runtime'] = total_runtime
results.append(result)
self.logger.info(
"Algorithm: {} and epsilon: {} and k: {} and runtime: {}"
.format("stochastic_distorted_greedy",
sample_epsilon, k, total_runtime))
self.logger.info("\n")
# Cost Scaled Greedy
# Run algorithm that creates greedy ordering
start = timer()
result = alg.run(self.config, data, "cost_scaled_greedy", None,
None, scaling_factor, num_sampled_skills,
rare_sample_fraction, popular_sample_fraction,
rare_threshold, popular_threshold,
user_sample_ratio, seed, n)
end = timer()
result['runtime'] = end - start
# For each individual k we find the prefix of size k and find the corresponding solution
for k in range(1, n + 1):
result_k = result.copy()
if k < len(result['sol']):
sol_k = set(list(result['sol'])[:k])
submodular_val_k = data.submodular_func(sol_k)
cost_k = data.cost_func(sol_k)
val_k = submodular_val_k - cost_k
result_k['sol'] = sol_k
result_k['val'] = val_k
result_k['submodular_val'] = submodular_val_k
result_k['cost'] = cost_k
else:
sol_k = result['sol']
val_k = result['val']
result_k['k'] = k
results.append(result_k)
self.logger.info(
"Best solution: {}\nBest value: {}".format(
sol_k, val_k))
self.logger.info(
"Algorithm: {} and k: {} and runtime: {}".format(
"cost_scaled_greedy", k, end - start))
self.logger.info("\n")
# Cost scaled lazy exact greedy
# Run algorithm that creates greedy ordering
start = timer()
result = alg.run(self.config, data, "cost_scaled_lazy_greedy",
None, None, scaling_factor,
num_sampled_skills, rare_sample_fraction,
popular_sample_fraction, rare_threshold,
popular_threshold, user_sample_ratio, seed, n)
end = timer()
result['runtime'] = end - start
# For each individual k we find the prefix of size k and find the corresponding solution
for k in range(1, n + 1):
result_k = result.copy()
if k < len(result['sol']):
sol_k = set(list(result['sol'])[:k])
submodular_val_k = data.submodular_func(sol_k)
cost_k = data.cost_func(sol_k)
val_k = submodular_val_k - cost_k
result_k['sol'] = sol_k
result_k['val'] = val_k
result_k['submodular_val'] = submodular_val_k
result_k['cost'] = cost_k
else:
sol_k = result['sol']
val_k = result['val']
result_k['k'] = k
results.append(result_k)
self.logger.info(
"Best solution: {}\nBest value: {}".format(
sol_k, val_k))
self.logger.info(
"Algorithm: {} and k: {} and runtime: {}".format(
"cost_scaled_lazy_greedy", k, end - start))
self.logger.info("\n")
# Scaled Single Threshold Greedy
total_runtime = 0
for k in range(1, n + 1):
for error_epsilon in error_epsilon_values_scaled_threshold:
# Run algorithm
start = timer()
result = alg.run(self.config, data,
"scaled_single_threshold_greedy",
None, error_epsilon, scaling_factor,
num_sampled_skills,
rare_sample_fraction,
popular_sample_fraction,
rare_threshold, popular_threshold,
user_sample_ratio, seed, k)
end = timer()
total_runtime += end - start
result['runtime'] = total_runtime
results.append(result)
self.logger.info(
"Algorithm: {} and epsilon: {} and k: {} and runtime: {}"
.format("scaled_single_threshold_greedy",
error_epsilon, k, total_runtime))
self.logger.info("\n")
# Baseline Top k
total_runtime = 0
for k in range(1, n + 1):
# Run algorithm
start = timer()
result = alg.run(self.config, data, "baseline_topk", None,
None, scaling_factor, num_sampled_skills,
rare_sample_fraction,
popular_sample_fraction, rare_threshold,
popular_threshold, user_sample_ratio,
seed, k)
end = timer()
total_runtime += end - start
result['runtime'] = total_runtime
results.append(result)
self.logger.info(
"Algorithm: {} and k: {} and runtime: {}".format(
"baseline_topk", k, total_runtime))
self.logger.info("\n")
self.logger.info("Finished experiment 03")
# Export results
df = pd.DataFrame(results)
# self.data_exporter.export_csv_file(df, "experiment_03_freelancer_pop01_rare01_cost_scaled.csv")
self.logger.info("Exported experiment_03 results")
class Experiment00(object):
"""
Experiment00 class
"""
def __init__(self, config):
"""
Constructor
:param config:
:return:
"""
self.config = config
self.logger = logging.getLogger("so_logger")
self.data_provider = DataProvider(self.config)
self.data_exporter = DataExporter(self.config)
@staticmethod
def run_algorithm(args):
# Run algorithm
alg = AlgorithmDriver()
data = alg.run(*args)
return data
def set_scaling_factor(self, data):
# Find appropriate scaling factor
alg = SetCoverGreedy(self.config, data.submodular_func, data.E)
sol = alg.run()
submodular_val = data.submodular_func(sol)
cost = data.cost_func(sol)
scaling_factor = data.scaling_func(submodular_val, cost)
# Update scaling factor
data.scaling_factor = scaling_factor
def run(self):
"""
Run experiment
:param:
:return:
"""
self.logger.info("Starting experiment 00")
self.expt_config = self.config['experiment_configs']['experiment_00']
popular_threshold = self.expt_config['popular_threshold']
rare_threshold = self.expt_config['rare_threshold']
user_sample_ratios = [
0.001, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1
]
seeds = [i for i in range(6, 11)]
sampling_epsilon_values = [0.1, 0.05, 0.01, 0.005]
num_sampled_skills = 50
rare_sample_fraction = 0.1
popular_sample_fraction = 0.1
scaling_factor = 800
alg = AlgorithmDriver()
results = []
for seed in seeds:
for user_sample_ratio in user_sample_ratios:
self.logger.info(
"Experiment for user sample ratio: {} and scaling factor: {} and seed: {}"
.format(user_sample_ratio, scaling_factor, seed))
# Load dataset
data = self.data_provider.read_freelancer_data_obj()
config = self.config.copy()
alg.create_sample(config, data, num_sampled_skills,
rare_sample_fraction,
popular_sample_fraction, rare_threshold,
popular_threshold, user_sample_ratio, seed)
# # Create controlled samples dataset
# data.sample_skills_to_be_covered_controlled(num_sampled_skills, rare_sample_fraction,
# popular_sample_fraction, rare_threshold,
# popular_threshold, user_sample_ratio)
# # Setting scaling factor of coverage as coverage(S)/cost(S) for set cover solution S
# self.set_scaling_factor(data)
self.logger.info(
"Scaling factor for submodular function is: {}".format(
scaling_factor))
# Distorted greedy - ICML
start = timer()
result = alg.run(config, data, "distorted_greedy", None, None,
scaling_factor, num_sampled_skills,
rare_sample_fraction, popular_sample_fraction,
rare_threshold, popular_threshold,
user_sample_ratio, seed, None)
end = timer()
result['runtime'] = end - start
self.logger.info(
"Algorithm: {} and k: {} and runtime: {}".format(
"distorted_greedy", None, end - start))
results.append(result)
self.logger.info("\n")
# Cost scaled greedy
start = timer()
result = alg.run(config, data, "cost_scaled_greedy", None,
None, scaling_factor, num_sampled_skills,
rare_sample_fraction, popular_sample_fraction,
rare_threshold, popular_threshold,
user_sample_ratio, seed, None)
end = timer()
result['runtime'] = end - start
self.logger.info(
"Algorithm: {} and k: {} and runtime: {}".format(
"cost_scaled_greedy", None, end - start))
results.append(result)
self.logger.info("\n")
# Cost scaled lazy exact greedy
start = timer()
result = alg.run(config, data, "cost_scaled_lazy_greedy", None,
None, scaling_factor, num_sampled_skills,
rare_sample_fraction, popular_sample_fraction,
rare_threshold, popular_threshold,
user_sample_ratio, seed, None)
end = timer()
result['runtime'] = end - start
self.logger.info(
"Algorithm: {} and k: {} and runtime: {}".format(
"cost_scaled_lazy_greedy", None, end - start))
results.append(result)
self.logger.info("\n")
# Greedy
start = timer()
result = alg.run(config, data, "greedy", None, None,
scaling_factor, num_sampled_skills,
rare_sample_fraction, popular_sample_fraction,
rare_threshold, popular_threshold,
user_sample_ratio, seed, None)
end = timer()
result['runtime'] = end - start
self.logger.info(
"Algorithm: {} and k: {} and runtime: {}".format(
"greedy", None, end - start))
results.append(result)
self.logger.info("\n")
# Unconstrained Linear
start = timer()
result = alg.run(config, data, "unconstrained_linear", None,
None, scaling_factor, num_sampled_skills,
rare_sample_fraction, popular_sample_fraction,
rare_threshold, popular_threshold,
user_sample_ratio, seed, None)
end = timer()
result['runtime'] = end - start
self.logger.info(
"Algorithm: {} and k: {} and runtime: {}".format(
"unconstrained_linear", None, end - start))
results.append(result)
self.logger.info("\n")
# Unconstrained distorted greedy
start = timer()
result = alg.run(config, data,
"unconstrained_distorted_greedy", None, None,
scaling_factor, num_sampled_skills,
rare_sample_fraction, popular_sample_fraction,
rare_threshold, popular_threshold,
user_sample_ratio, seed, None)
end = timer()
result['runtime'] = end - start
self.logger.info(
"Algorithm: {} and k: {} and runtime: {}".format(
"unconstrained_distorted_greedy", None, end - start))
results.append(result)
self.logger.info("\n")
# Stochastic distorted greedy
for sample_epsilon in sampling_epsilon_values:
start = timer()
config['algorithms']['stochastic_distorted_greedy_config'][
'epsilon'] = sample_epsilon
result = alg.run(config, data,
"stochastic_distorted_greedy",
sample_epsilon, None, scaling_factor,
num_sampled_skills, rare_sample_fraction,
popular_sample_fraction, rare_threshold,
popular_threshold, user_sample_ratio,
seed, None)
end = timer()
result['runtime'] = end - start
self.logger.info(
"Algorithm: {} and epsilon: {} and k: {} and runtime: {}"
.format("stochastic_distorted_greedy", sample_epsilon,
None, end - start))
results.append(result)
self.logger.info("\n")
# Baseline top k
start = timer()
result = alg.run(config, data, "baseline_topk", None, None,
scaling_factor, num_sampled_skills,
rare_sample_fraction, popular_sample_fraction,
rare_threshold, popular_threshold,
user_sample_ratio, seed, None)
end = timer()
result['runtime'] = end - start
self.logger.info(
"Algorithm: {} and k: {} and runtime: {}".format(
"baseline_topk", None, end - start))
results.append(result)
self.logger.info("Finished experiment 00")
# Export results
df = pd.DataFrame(results)
self.data_exporter.export_csv_file(
df, "experiment_00_freelancer_pop01_rare01_greedy.csv")
self.logger.info("Exported experiment_00 results")
class Experiment04(object):
"""
Experiment04 class
"""
def __init__(self, config):
"""
Constructor
:param config:
:return:
"""
self.config = config
self.logger = logging.getLogger("so_logger")
self.data_provider = DataProvider(self.config)
self.data_exporter = DataExporter(self.config)
@staticmethod
def run_algorithm(args):
# Run algorithm
alg = AlgorithmDriver()
data = alg.run(*args)
return data
def set_scaling_factor(self, data):
# Find appropriate scaling factor
alg = SetCoverGreedy(self.config, data.submodular_func, data.E)
sol = alg.run()
submodular_val = data.submodular_func(sol)
cost = data.cost_func(sol)
scaling_factor = data.scaling_func(submodular_val, cost)
# Update scaling factor
data.scaling_factor = scaling_factor
def run(self):
"""
Run experiment
:param:
:return:
"""
self.logger.info("Starting experiment 04")
self.expt_config = self.config['experiment_configs']['experiment_04']
popular_threshold = self.expt_config['popular_threshold']
rare_threshold = self.expt_config['rare_threshold']
num_of_partitions = self.expt_config['num_of_partitions']
partition_type = self.expt_config['partition_type']
cardinality_constraint = self.expt_config['cardinality_constraint']
user_sample_ratios = [1]
seeds = [i for i in range(6, 10)]
cardinality_constraints = [i for i in range(1, 11)]
num_of_partitions = [i for i in range(1, 6)]
num_sampled_skills = 50
rare_sample_fraction = 0.1
popular_sample_fraction = 0.8
scaling_factor = 800
alg = AlgorithmDriver()
results = []
for seed in seeds:
for user_sample_ratio in user_sample_ratios:
for cardinality_constraint in cardinality_constraints:
for num_of_partition in num_of_partitions:
self.logger.info(
"Experiment for user sample ratio: {} and scaling factor: {} and seed: {} and cardinality constraint:{} and num of partitions:{} "
.format(user_sample_ratio, scaling_factor, seed,
cardinality_constraint, num_of_partition))
# Load dataset
data = self.data_provider.read_guru_data_obj()
config = self.config.copy()
# Creating the ground set of users
alg.create_sample(config, data, num_sampled_skills,
rare_sample_fraction,
popular_sample_fraction,
rare_threshold, popular_threshold,
user_sample_ratio, seed)
# Assigning users to partitions uniformly at random
alg.create_partitions(data, num_of_partition,
partition_type,
cardinality_constraint)
self.logger.info(
"Scaling factor for submodular function is: {}".
format(scaling_factor))
# Partition matroid greedy
start = timer()
result = alg.run(
config, data, "partition_matroid_greedy", None,
None, scaling_factor, num_sampled_skills,
rare_sample_fraction, popular_sample_fraction,
rare_threshold, popular_threshold,
user_sample_ratio, seed, None)
end = timer()
result['runtime'] = end - start
result[
'cardinality_constraint'] = cardinality_constraint
result['num_of_partitions'] = num_of_partition
self.logger.info(
"Algorithm: {} and k: {} and runtime: {}".format(
"partition_matroid_greedy", None, end - start))
results.append(result)
self.logger.info("\n")
# Cost scaled partition matroid greedy
start = timer()
result = alg.run(
config, data,
"cost_scaled_partition_matroid_greedy", None, None,
scaling_factor, num_sampled_skills,
rare_sample_fraction, popular_sample_fraction,
rare_threshold, popular_threshold,
user_sample_ratio, seed, None)
end = timer()
result['runtime'] = end - start
result[
'cardinality_constraint'] = cardinality_constraint
result['num_of_partitions'] = num_of_partition
self.logger.info(
"Algorithm: {} and k: {} and runtime: {}".format(
"cost_scaled_partition_matroid_greedy", None,
end - start))
results.append(result)
self.logger.info("\n")
# Cost scaled partition matroid lazy exact greedy
start = timer()
result = alg.run(
config, data,
"cost_scaled_partition_matroid_lazy_greedy", None,
None, scaling_factor, num_sampled_skills,
rare_sample_fraction, popular_sample_fraction,
rare_threshold, popular_threshold,
user_sample_ratio, seed, None)
end = timer()
result['runtime'] = end - start
result[
'cardinality_constraint'] = cardinality_constraint
result['num_of_partitions'] = num_of_partition
self.logger.info(
"Algorithm: {} and k: {} and runtime: {}".format(
"cost_scaled_partition_matroid_lazy_greedy",
None, end - start))
results.append(result)
self.logger.info("\n")
# Baseline Top k
start = timer()
result = alg.run(config, data, "baseline_topk_matroid",
None, None, scaling_factor,
num_sampled_skills,
rare_sample_fraction,
popular_sample_fraction,
rare_threshold, popular_threshold,
user_sample_ratio, seed, None)
end = timer()
result['runtime'] = end - start
result[
'cardinality_constraint'] = cardinality_constraint
result['num_of_partitions'] = num_of_partition
self.logger.info(
"Algorithm: {} and k: {} and runtime: {}".format(
"baseline_topk_matroid", None, end - start))
results.append(result)
self.logger.info("\n")
self.logger.info("Finished experiment 04")
# Export results
df = pd.DataFrame(results)
self.data_exporter.export_csv_file(
df, "experiment_04_guru_salary_pop08_rare01.csv")
self.logger.info("Exported experiment 04 results")
def __init__(self, config):
self.config = config
self.logger = logging.getLogger("baseline_logger")
self.data_provider = DataProvider(self.config)
self.data_exporter = DataExporter(self.config)