def run_simulate(config):
"""this function used to run simulate data task
Parameters
----------
config: dict
configuration info.
Returns
-------
out: tuple
(X, true_dag) or (X, true_dag, topology_matrix)
"""
algo_params = config['algorithm_params']
if config['task_params']['algorithm'] == 'EVENT':
true_dag = DAG.erdos_renyi(n_nodes=algo_params['n_nodes'],
n_edges=algo_params['n_edges'],
weight_range=algo_params['weight_range'],
seed=algo_params['seed'])
topology_matrix = Topology.erdos_renyi(
n_nodes=algo_params['Topology_n_nodes'],
n_edges=algo_params['Topology_n_edges'],
seed=algo_params['Topology_seed'])
simulator = THPSimulation(true_dag,
topology_matrix,
mu_range=algo_params['mu_range'],
alpha_range=algo_params['alpha_range'])
X = simulator.simulate(
T=algo_params['THPSimulation_simulate_T'],
max_hop=algo_params['THPSimulation_simulate_max_hop'],
beta=algo_params['THPSimulation_simulate_beta'])
return X, true_dag, topology_matrix
else:
weighted_random_dag = DAG.erdos_renyi(
n_nodes=algo_params['n_nodes'],
n_edges=algo_params['n_edges'],
weight_range=algo_params['weight_range'],
seed=algo_params['seed'])
dataset = IIDSimulation(W=weighted_random_dag,
n=algo_params['n'],
method=algo_params['method'],
sem_type=algo_params['sem_type'],
noise_scale=algo_params['noise_scale'])
return pd.DataFrame(dataset.X), dataset.B
def simulate_data(method='nonlinear', sem_type='mlp',
n_nodes=6, n_edges=15, n=1000):
weighted_random_dag = DAG.erdos_renyi(n_nodes=n_nodes, n_edges=n_edges,
weight_range=(0.5, 2.0), seed=1)
dataset = IIDSimulation(W=weighted_random_dag, n=n, method=method,
sem_type=sem_type)
true_dag, X = dataset.B, dataset.X
return X, true_dag
def setUp(self) -> None:
print(f"{'=' * 20}Testing TTPM{'=' * 20}")
self.dag = DAG.erdos_renyi(n_nodes=10, n_edges=10)
topology_matrix = Topology.erdos_renyi(n_nodes=20, n_edges=20)
simulator = THPSimulation(self.dag,
topology_matrix,
mu_range=(0.00005, 0.0001),
alpha_range=(0.005, 0.007))
self.x = simulator.simulate(T=3600 * 24, max_hop=2)
self.error_params = []
`networkx` package, then like the following import method.
Warnings: This script is used only for demonstration and cannot be directly
imported.
"""
from castle.common import GraphDAG
from castle.metrics import MetricsDAG
from castle.datasets import DAG, IIDSimulation
from castle.algorithms import DirectLiNGAM
#######################################
# DirectLiNGAM used simulate data
#######################################
# simulate data for DirectLiNGAM
weighted_random_dag = DAG.erdos_renyi(n_nodes=10, n_edges=20, weight_range=(0.5, 2.0), seed=1)
dataset = IIDSimulation(W=weighted_random_dag, n=2000, method='linear', sem_type='gauss')
true_dag, X = dataset.B, dataset.X
# DirectLiNGAM learn
g = DirectLiNGAM()
g.learn(X)
# plot est_dag and true_dag
GraphDAG(g.causal_matrix, true_dag)
# calculate accuracy
met = MetricsDAG(g.causal_matrix, true_dag)
print(met.metrics)
# limitations under the License.
"""
This demo script aim to demonstrate
how to use TTPM algorithm in `castle` package for causal inference.
Warnings: This script is used only for demonstration and cannot be directly
imported.
"""
from castle.common import GraphDAG
from castle.metrics import MetricsDAG
from castle.datasets import DAG, Topology, THPSimulation
from castle.algorithms import TTPM
# Data Simulation for TTPM
true_causal_matrix = DAG.erdos_renyi(n_nodes=10, n_edges=10)
topology_matrix = Topology.erdos_renyi(n_nodes=20, n_edges=20)
simulator = THPSimulation(true_causal_matrix,
topology_matrix,
mu_range=(0.00005, 0.0001),
alpha_range=(0.005, 0.007))
X = simulator.simulate(T=3600 * 24, max_hop=2)
# TTPM modeling
ttpm = TTPM(topology_matrix, max_hop=2)
ttpm.learn(X)
print(ttpm.causal_matrix)
# plot est_dag and true_dag
GraphDAG(ttpm.causal_matrix, true_causal_matrix)
# calculate accuracy
from castle.common import GraphDAG
from castle.metrics import MetricsDAG
from castle.datasets import DAG, IIDSimulation
from castle.algorithms import DAG_GNN
type = 'ER' # or `SF`
h = 2 # ER2 when h=5 --> ER5
n_nodes = 10
n_edges = h * n_nodes
method = 'linear'
sem_type = 'gauss'
if type == 'ER':
weighted_random_dag = DAG.erdos_renyi(n_nodes=n_nodes,
n_edges=n_edges,
weight_range=(0.5, 2.0),
seed=300)
elif type == 'SF':
weighted_random_dag = DAG.scale_free(n_nodes=n_nodes,
n_edges=n_edges,
weight_range=(0.5, 2.0),
seed=300)
else:
raise ValueError('Just supported `ER` or `SF`.')
dataset = IIDSimulation(W=weighted_random_dag,
n=2000,
method=method,
sem_type=sem_type)
true_dag, X = dataset.B, dataset.X
def simulate_data(data, alg, task_id, parameters):
"""
Simulation Data Generation Entry.
Parameters
----------
data: str
Path for storing generated data files.
alg: str
Generating Operator Strings.
task_id: int
task key in the database.
parameters: dict
Data generation parameters.
Returns
-------
True or False
"""
parameters = translation_parameters(parameters)
task_api = TaskApi()
start_time = datetime.datetime.now()
task_api.update_task_status(task_id, 0.1)
task_api.update_consumed_time(task_id, start_time)
task_api.update_update_time(task_id, start_time)
if not os.path.exists(data):
os.makedirs(data)
task_name = task_api.get_task_name(task_id)
sample_path = os.path.join(data, "datasets",
str(task_id) + "_" + task_name + ".csv")
true_dag_path = os.path.join(data, "true",
str(task_id) + "_" + task_name + ".npz")
node_relationship_path = os.path.join(
data, "node_relationship_" + str(task_id) + "_" + task_name + ".csv")
topo_path = os.path.join(data,
"topo_" + str(task_id) + "_" + task_name + ".npz")
task_api.update_task_status(task_id, 0.2)
task_api.update_consumed_time(task_id, start_time)
topo = None
try:
if alg == "EVENT":
true_dag = DAG.erdos_renyi(n_nodes=parameters['n_nodes'],
n_edges=parameters['n_edges'],
weight_range=parameters['weight_range'],
seed=parameters['seed'])
topo = Topology.erdos_renyi(n_nodes=parameters['Topology_n_nodes'],
n_edges=parameters['Topology_n_edges'],
seed=parameters['Topology_seed'])
simulator = THPSimulation(true_dag,
topo,
mu_range=parameters['mu_range'],
alpha_range=parameters['alpha_range'])
sample = simulator.simulate(
T=parameters['THPSimulation_simulate_T'],
max_hop=parameters['THPSimulation_simulate_max_hop'],
beta=parameters['THPSimulation_simulate_beta'])
task_api.update_task_status(task_id, 0.5)
task_api.update_consumed_time(task_id, start_time)
else:
weighted_random_dag = DAG.erdos_renyi(
n_nodes=parameters['n_nodes'],
n_edges=parameters['n_edges'],
weight_range=parameters['weight_range'],
seed=parameters['seed'])
dataset = IIDSimulation(W=weighted_random_dag,
n=parameters['n'],
method=parameters['method'],
sem_type=parameters['sem_type'],
noise_scale=parameters['noise_scale'])
true_dag, sample = dataset.B, dataset.X
sample = pd.DataFrame(sample)
task_api.update_task_status(task_id, 0.5)
task_api.update_consumed_time(task_id, start_time)
except Exception as error:
task_api.update_task_status(task_id, str(error))
task_api.update_consumed_time(task_id, start_time)
logger.warning('Generating simulation data failed, exp=%s' % error)
if os.path.exists(sample_path):
os.remove(sample_path)
if os.path.exists(true_dag_path):
os.remove(true_dag_path)
if os.path.exists(node_relationship_path):
os.remove(node_relationship_path)
if os.path.exists(topo_path):
os.remove(topo_path)
return False
if os.path.exists(topo_path):
os.remove(topo_path)
task_api.update_task_status(task_id, 0.6)
task_api.update_consumed_time(task_id, start_time)
save_to_file(sample, sample_path)
save_to_file(true_dag, true_dag_path)
if isinstance(topo, np.ndarray):
save_to_file(topo, topo_path)
# calculate accuracy
save_gragh_edges(true_dag, node_relationship_path)
task_api.update_task_status(task_id, 1.0)
task_api.update_consumed_time(task_id, start_time)
return True