特異点 Machine Learning - 分類: Multiverse Computing による Qiskit 関数

from qiskit_ibm_catalog import QiskitFunctionsCatalog

catalog = QiskitFunctionsCatalog(channel="ibm_quantum_platform")

# load function
singularity = catalog.load("multiverse/singularity")

python3 -m pip install scikit-learn

# import the necessary modules for this example
import os
import tarfile
import numpy as np

# Import the make_moons and the train_test_split functions from scikit-learn
# to create a synthetic dataset and split it into training and test datasets
from sklearn.datasets import make_moons
from sklearn.model_selection import train_test_split

# generate the synthetic dataset
X, y = make_moons(n_samples=10000)

# split the data into training and test datasets
X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2)

# print the first 10 samples of the training dataset
print("Features:", X_train[:10, :])
print("Targets:", y_train[:10])

def make_tarfile(file_path, tar_file_name):
    with tarfile.open(tar_file_name, "w") as tar:
        tar.add(file_path, arcname=os.path.basename(file_path))


# save the training and test datasets on your local disk
np.save("X_train.npy", X_train)
np.save("y_train.npy", y_train)
np.save("X_test.npy", X_test)
np.save("y_test.npy", y_test)

# create tar files for the datasets
make_tarfile("X_train.npy", "X_train.npy.tar")
make_tarfile("y_train.npy", "y_train.npy.tar")
make_tarfile("X_test.npy", "X_test.npy.tar")
make_tarfile("y_test.npy", "y_test.npy.tar")

# upload the datasets to the shared data directory
catalog.file_upload("X_train.npy.tar", singularity)
catalog.file_upload("y_train.npy.tar", singularity)
catalog.file_upload("X_test.npy.tar", singularity)
catalog.file_upload("y_test.npy.tar", singularity)

# view/enlist the uploaded files in the shared data directory
print(catalog.files(singularity))

job = singularity.run(
    action="create",
    name="my_classifier",
    num_learners=10,
    learners_types=[
        "DecisionTreeClassifier",
        "KNeighborsClassifier",
    ],
    learners_proportions=[0.5, 0.5],
    learners_options=[{}, {}],
    regularization=0.01,
    weight_update_method="logarithmic",
    sample_scaling=True,
    optimizer_options={"simulator": True},
    voting="soft",
    prob_threshold=0.5,
)

print(job.result())

# list available classifiers using the list action
job = singularity.run(action="list")

print(job.result())

# you can also find your classifiers in the shared data directory with a *.pkl.tar extension
print(catalog.files(singularity))

job = singularity.run(
    action="fit",
    name="my_classifier",
    X="X_train.npy",  # you do not need to specify the tar extension
    y="y_train.npy",  # you do not need to specify the tar extension
)

print(job.result())

job = singularity.run(
    action="predict",
    name="my_classifier",
    X="X_test.npy",  # you do not need to specify the tar extension
)

result = job.result()

print("Action result status: ", result["status"])
print("Action result message: ", result["message"])
print("Predictions (first five results):", result["data"]["predictions"][:5])
print(
    "Probabilities (first five results):", result["data"]["probabilities"][:5]
)

job = singularity.run(
    action="delete",
    name="my_classifier",
)

# or you can delete from the shared data directory
# catalog.file_delete("my_classifier.pkl.tar", singularity)

print(job.result())

# delete the numpy files from your local disk
os.remove("X_train.npy")
os.remove("y_train.npy")
os.remove("X_test.npy")
os.remove("y_test.npy")

# delete the tar files from your local disk
os.remove("X_train.npy.tar")
os.remove("y_train.npy.tar")
os.remove("X_test.npy.tar")
os.remove("y_test.npy.tar")

# delete the tar files from the shared data
catalog.file_delete("X_train.npy.tar", singularity)
catalog.file_delete("y_train.npy.tar", singularity)
catalog.file_delete("X_test.npy.tar", singularity)
catalog.file_delete("y_test.npy.tar", singularity)

# Import QiskitFunctionsCatalog to load the
# "Singularity Machine Learning - Classification" function by Multiverse Computing
from qiskit_ibm_catalog import QiskitFunctionsCatalog

# Import the make_moons and the train_test_split functions from scikit-learn
# to create a synthetic dataset and split it into training and test datasets
from sklearn.datasets import make_moons
from sklearn.model_selection import train_test_split

# authentication
# If you have not previously saved your credentials, follow instructions at
# /docs/guides/functions
# to authenticate with your API key.
catalog = QiskitFunctionsCatalog(channel="ibm_quantum_platform")

# load "Singularity Machine Learning - Classification" function by Multiverse Computing
singularity = catalog.load("multiverse/singularity")

# generate the synthetic dataset
X, y = make_moons(n_samples=1000)

# split the data into training and test datasets
X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2)

job = singularity.run(
    action="create_fit_predict",
    num_learners=10,
    regularization=0.01,
    optimizer_options={"simulator": True},
    X_train=X_train,
    y_train=y_train,
    X_test=X_test,
    options={"save": False},
)

# get job status and result
status = job.status()
result = job.result()

print("Job status: ", status)
print("Action result status: ", result["status"])
print("Action result message: ", result["message"])
print("Predictions (first five results): ", result["data"]["predictions"][:5])
print(
    "Probabilities (first five results): ",
    result["data"]["probabilities"][:5],
)
print("Usage metadata: ", result["metadata"]["resource_usage"])