def is_stale(self):
"""Return boolean to describe whether the computed profile is stale or not.
A Profile is considered to be stale if there is changed in underlying data after the
profile is computed.
- if the data source change cannot be detected, TypeError is raised.
- if the data source was changed after submitting the profile run, the flag will be True;
- otherwise, the profile matches current data, and the flag will be False.
:return: boolean to describe whether the computed profile is stale or not.
:rtype: bool
"""
from azureml.core import Dataset
dataset = Dataset.get_by_id(self._workspace, id=self._saved_dataset_id)
workspace = dataset._ensure_workspace(self._workspace)
request_dto = ActionRequestDto(
action_type=_ACTION_TYPE_PROFILE,
saved_dataset_id=dataset._ensure_saved(workspace),
arguments={'generate_preview': 'True', 'row_count': '1000'})
action_result_dto = _restclient(workspace).dataset.get_action_result(
workspace.subscription_id,
workspace.resource_group,
workspace.name,
dataset_id=_LEGACY_DATASET_ID,
request=request_dto,
custom_headers=_custom_headers)
if action_result_dto.is_up_to_date is None:
raise AzureMLException(action_result_dto.is_up_to_date_error)
return not action_result_dto.is_up_to_date
def main():
# Add arguments to script
parser = argparse.ArgumentParser()
parser.add_argument('--n_estimators', type=int, default=100, help="Number of trees in the forest.")
parser.add_argument('--max_depth', type=int, default=None, help="Maximum depth of tree.")
parser.add_argument('--input_data', type=str)
args = parser.parse_args()
dataset = Dataset.get_by_id(ws, id=args.input_data)
# Drop NAs and encode data.
x, y = process_data(dataset)
#Split data into train and test sets.
x_train, x_test, y_train, y_test = train_test_split(x,y,test_size=0.33)
run.log("Number of Estimators:", np.int(args.n_estimators))
run.log("Max iterations:", np.int(args.max_depth))
model = RandomForestClassifier(n_estimators=args.n_estimators, max_depth=args.max_depth).fit(x_train, y_train)
roc_auc = roc_auc_score(model.predict(x_test), y_test)
run.log("auc", np.float(roc_auc))
os.makedirs('outputs', exist_ok=True)
joblib.dump(value=model, filename='outputs/model.pkl')
def update_output_lineage(workspace, output_datasets):
if not output_datasets:
return
for value in output_datasets:
value['dataset'] = Dataset.get_by_id(workspace,
value['identifier']['savedId'])
def find_set(set_id):
"""
Find a dataset in the inputs by its ID, required for Tabular Datasets.
:param set_id: ID of the dataset to load.
:returns: The found dataset.
"""
return Dataset.get_by_id(Run.get_context().experiment.workspace, set_id)
def main():
# Add arguments to script
parser = argparse.ArgumentParser()
parser.add_argument("--input-data", type=str)
parser.add_argument('--n_estimators',
type=int,
default=100,
help="The number of boosting stages to perform")
parser.add_argument(
'--learning_rate',
type=float,
default=0.1,
help=
"Learning rate shrinks the contribution of each tree by learning_rate")
args = parser.parse_args()
run = Run.get_context()
# Get the dataset from run inputs
#ds = run.input_datasets['dataset']
ws = run.experiment.workspace
# get the input dataset by ID
ds = Dataset.get_by_id(ws, id=args.input_data)
df = ds.to_pandas_dataframe()
erp_mean = df['ERP'].mean()
x, y = split_train_label_data(df)
# Split data into train and test sets: 20% of the dataset to include in the test split.
x_train, x_test, y_train, y_test = train_test_split(x,
y,
test_size=0.2,
random_state=0)
run.log("n_estimators:", np.int(args.n_estimators))
run.log("learning_rate:", np.float(args.learning_rate))
model = GradientBoostingRegressor(n_estimators=args.n_estimators,
learning_rate=args.learning_rate,
max_depth=1,
random_state=0,
loss='huber').fit(x_train, y_train)
# MSE
mse = mean_squared_error(y_test, model.predict(x_test))
# normalized_root_mean_squared_error => to be comparabe with Azure results
metric = math.sqrt(mse) / erp_mean
run.log("normalized_root_mean_squared_error", np.float(metric))
# Metric reported is 'r2_score' => metric to optimize
run.log("r2_score", np.float(model.score(x_test, y_test)))
os.makedirs('outputs', exist_ok=True)
# Save the model into run history
joblib.dump(model, 'outputs/model.joblib')
def get_data(dataset_id):
'''Get the dataset and perform general preparation.'''
run = Run.get_context()
ws = run.experiment.workspace # pylint: disable=invalid-name
dataset = Dataset.get_by_id(ws, id=dataset_id)
df = dataset.to_pandas_dataframe() # pylint: disable=invalid-name
# Keep only text content
train_docs = df.iloc[:, 2].values
# Remove empty elements (?)
train_docs = [d for d in train_docs if d]
return train_docs
def main():
# Add arguments to script
parser = argparse.ArgumentParser()
parser.add_argument('--n-estimators', type=int, default=100)
parser.add_argument('--max-depth', type=int, default=5)
parser.add_argument("--input-data", type=str)
args = parser.parse_args()
run = Run.get_context()
run.log("Num estimators:", np.int(args.n_estimators))
run.log("Max depth:", np.int(args.max_depth))
ws = run.experiment.workspace
# get the input dataset by ID
dataset = Dataset.get_by_id(ws, id=args.input_data)
# load the TabularDataset to pandas DataFrame
df = dataset.to_pandas_dataframe()
X = df.drop(columns=['drugs_related_stop'])
y = df['drugs_related_stop']
x_train, x_test, y_train, y_test = train_test_split(X,
y,
test_size=0.3,
random_state=42)
model = RandomForestClassifier(n_estimators=args.n_estimators,
max_depth=args.max_depth).fit(
x_train, y_train)
accuracy = model.score(x_test, y_test)
run.log("accuracy", np.float(accuracy))
value = {
"schema_type": "confusion_matrix",
"schema_version": "v1",
"data": {
"class_labels": ["0", "1"],
"matrix": confusion_matrix(y_test, model.predict(x_test)).tolist()
}
}
run.log_confusion_matrix(name='Confusion Matrix', value=value)
os.makedirs('outputs', exist_ok=True)
# note file saved in the outputs folder is automatically uploaded into experiment record
joblib.dump(value=model, filename='outputs/model.pkl')
def register_aml_model(
model_path,
model_name,
model_tags,
exp,
run_id,
dataset_id,
build_id: str = 'none',
build_uri=None
):
try:
tagsValue = {"area": "aml_recommender",
"run_id": run_id,
"experiment_name": exp.name}
tagsValue.update(model_tags)
if (build_id != 'none'):
model_already_registered(model_name, exp, run_id)
tagsValue["BuildId"] = build_id
if (build_uri is not None):
tagsValue["BuildUri"] = build_uri
model = AMLModel.register(
workspace=exp.workspace,
model_name=model_name,
model_path=model_path,
tags=tagsValue,
datasets=[('training data',
Dataset.get_by_id(exp.workspace, dataset_id))])
os.chdir("..")
print(
"Model registered: {} \nModel Description: {} "
"\nModel Version: {}".format(
model.name, model.description, model.version
)
)
except Exception:
traceback.print_exc(limit=None, file=None, chain=True)
print("Model registration failed")
raise
def register_aml_model(run_id,
exp,
model_tags,
model_name,
model_path,
dataset_id,
build_id=None,
build_uri=None):
try:
tags_value = {
'area': 'diabetes_regression',
'run_id': run_id,
'experiment_name': exp.name
}
tags_value.update(model_tags)
if build_id is not None:
model_already_registered(model_name, run_id, exp)
tags_value['BuildId'] = build_id
if build_uri is not None:
tags_value['BuildUri'] = build_uri
model = Model.register(workspace=exp.workspace,
model_path=model_path,
tags=tags_value,
model_name=model_name,
datasets=[
('training_data',
Dataset.get_by_id(exp.workspace,
dataset_id))
])
print(
f'{model_name} has been registered,\nmodel description: {model.description},\nmodel version: {model.version}'
)
except Exception:
traceback.print_exc(limit=None, file=None, chain=True)
print('model registration failed!')
raise
def main():
# Add arguments to script
parser = argparse.ArgumentParser()
parser.add_argument("--input_data",
type=str,
help="Id of the registered train dataset")
parser.add_argument('--n_estimators',
type=int,
default=100,
help="Number of estimators")
parser.add_argument('--max_depth',
type=int,
default=6,
help="Maximum depth of the trees")
args = parser.parse_args()
run.log("Number of estimators:", np.float(args.n_estimators))
run.log("Max depth:", np.int(args.max_depth))
# Create TabularDataset
dataset = Dataset.get_by_id(ws, id=args.input_data)
X_train, X_test, y_train, y_test = clean_data(dataset)
model = XGBClassifier(n_estimators=args.n_estimators,
max_depth=args.max_depth).fit(X_train, y_train)
#saving the model
os.makedirs("outputs", exist_ok=True)
filename = 'outputs/model.pkl'
pickle.dump(model, open(filename, 'wb'))
y_pred = model.predict(X_test)
accuracy = accuracy_score(y_test, y_pred)
run.log("Accuracy", np.float(accuracy))
args = parser.parse_args()
target_column_name = args.target_column_name
model_name = args.model_name
print("args passed are: ")
print("Target column name: ", target_column_name)
print("Name of registered model: ", model_name)
model_path = Model.get_model_path(model_name)
# deserialize the model file back into a sklearn model
model = joblib.load(model_path)
run = Run.get_context()
test_dataset = Dataset.get_by_id(run.experiment.workspace, id=args.input_data)
X_test_df = test_dataset.drop_columns(
columns=[target_column_name]).to_pandas_dataframe()
y_test_df = (test_dataset.with_timestamp_columns(None).keep_columns(
columns=[target_column_name]).to_pandas_dataframe())
predicted = model.predict_proba(X_test_df)
if isinstance(predicted, pd.DataFrame):
predicted = predicted.values
# Use the AutoML scoring module
train_labels = model.classes_
class_labels = np.unique(
np.concatenate((y_test_df.values, np.reshape(train_labels, (-1, 1)))))
def parse_id_to_dataset(dataset_id):
run = Run.get_context()
ws = run.experiment.workspace
return Dataset.get_by_id(ws, id=dataset_id)
env.python.conda_dependencies = packages
script_config = ScriptRunConfig(source_directory='my_dir',
script='script.py',
arguments=['--ds', tab_ds],
environment=env)
#Script
from azureml.core import Run, Dataset
parser.add_argument('--ds', type=str, dest='dataset_id')
args = parser.parse_args()
run = Run.get_context()
ws = run.experiment.workspace
dataset = Dataset.get_by_id(ws, id=args.dataset_id)
data = dataset.to_pandas_dataframe()
#use named input
env = Environment('my_env')
packages = CondaDependencies.create(conda_packages=['pip'],
pip_packages=['azureml-defaults',
'azureml-dataprep[pandas]'])
env.python.conda_dependencies = packages
script_config = ScriptRunConfig(source_directory='my_dir',
script='script.py',
arguments=['--ds', tab_ds.as_named_input('my_dataset')],
environment=env)
import argparse
from azureml.core import Dataset, Run
parser = argparse.ArgumentParser()
parser.add_argument("--input-data", type=str)
args = parser.parse_args()
run = Run.get_context()
ws = run.experiment.workspace
# get the input dataset by ID
dataset = Dataset.get_by_id(ws, id=args.input_data)
# load the TabularDataset to pandas DataFrame
df = dataset.to_pandas_dataframe()
parser.add_argument("--useful_columns",
type=str,
help="useful columns to keep")
parser.add_argument("--columns", type=str, help="rename column pattern")
args = parser.parse_args()
print("Argument 1(raw data id): %s" % args.raw_data)
print("Argument 2(columns to keep): %s" %
str(args.useful_columns.strip("[]").split(";")))
print("Argument 3(columns renaming mapping): %s" %
str(args.columns.strip("{}").split(";")))
print("Argument 4(output cleansed taxi data path): %s" % args.output_cleanse)
run = Run.get_context()
raw_data = Dataset.get_by_id(run.experiment.workspace, id=args.raw_data)
# These functions ensure that null data is removed from the dataset,
# which will help increase machine learning model accuracy.
useful_columns = [
s.strip().strip("'") for s in args.useful_columns.strip("[]").split(";")
]
columns = get_dict(args.columns)
new_df = (raw_data.to_pandas_dataframe().dropna(how='all').rename(
columns=columns))[useful_columns]
new_df.reset_index(inplace=True, drop=True)
if not (args.output_cleanse is None):
dest="target_column_name",
help="Target Column Name",
)
parser.add_argument(
"--test_dataset", type=str, dest="test_dataset", help="Test Dataset"
)
args = parser.parse_args()
target_column_name = args.target_column_name
test_dataset_id = args.test_dataset
run = Run.get_context()
ws = run.experiment.workspace
# get the input dataset by id
test_dataset = Dataset.get_by_id(ws, id=test_dataset_id)
X_test = (
test_dataset.drop_columns(columns=[target_column_name])
.to_pandas_dataframe()
.reset_index(drop=True)
)
y_test_df = (
test_dataset.with_timestamp_columns(None)
.keep_columns(columns=[target_column_name])
.to_pandas_dataframe()
)
# generate forecast
fitted_model = joblib.load("model.pkl")
# We have default quantiles values set as below(95th percentile)
from azureml.core import Run, Dataset
from azureml.data._dataset_client import _DatasetClient
if __name__ == '__main__':
dataset_id = sys.argv[1]
action_id = sys.argv[2]
saved_dataset_id = sys.argv[3]
print('Start execution with action_id = {0}, dataset_id = {1} and '
'saved_dataset_id = {2}'.format(action_id, dataset_id,
saved_dataset_id))
workspace = Run.get_context().experiment.workspace
if workspace is None:
raise TypeError('Workspace is found to be None')
dataflow_json = None
if saved_dataset_id:
try:
dataset = Dataset.get_by_id(workspace, saved_dataset_id)
except Exception:
errorMsg = 'Failed to get the dataset details by saved dataset id {}'.format(
saved_dataset_id)
print(errorMsg)
raise TypeError(errorMsg)
dataflow_json = dataset._dataflow.to_json()
_DatasetClient._execute_dataset_action(workspace, dataset_id, action_id,
dataflow_json)
args = parser.parse_args()
min_df = args.min_df
max_df = args.max_df
ngram_min = args.ngram_min
ngram_max = args.ngram_max
n_estimators = args.n_estimators
max_depth = args.max_depth
min_samples_split = args.min_samples_split
min_class_frequency = args.min_class_frequency
input_data = args.input_data
run = Run.get_context()
ws = run.experiment.workspace
# get the input dataset by ID
dataset = Dataset.get_by_id(ws, id=input_data)
run.log("Dataset Version", dataset.version)
data_ml = dataset.to_pandas_dataframe()
# take only data which KKS has more than 5 relating records
data_ml = data_ml.groupby('target').filter(lambda x: len(x) >= min_class_frequency)
# drop nulls
data_ml = data_ml[["target", "tweet"]].dropna().copy()
vec = TfidfVectorizer(analyzer='char_wb', ngram_range=(ngram_min, ngram_max), min_df=min_df, max_df=max_df)
X = vec.fit_transform(data_ml['tweet'])
y = data_ml["target"]
run.log("Number of classes", len(set(y)))
def main():
# Add arguments to script
parser = argparse.ArgumentParser(description="hyperparameters of the logistic regression model")
parser.add_argument('--test-set', type=str,
help="Name of your test set")
parser.add_argument('--train-set', type=str,
help="Name of your training set")
parser.add_argument('--max-depth', type=int, default=3,
help="How deep is the tree growing during one round of boosting")
parser.add_argument('--min-child-weight', type=int,
default=2,
help="Minimum sum of weight for all observations in a child. Controls overfitting")
parser.add_argument('--gamma', type=float,
default=0,
help="Gamma corresponds to the minimum loss reduction required to make a split.")
parser.add_argument('--subsample', type=float,
default=0.9,
help="What fraction of samples are randomly sampled per tree.")
parser.add_argument('--colsample-bytree', type=float,
default=0.8,
help="What fraction of feature columns are randomly sampled per tree.")
parser.add_argument('--reg-alpha', type=float,
default=0.00001,
help="L1 regularization of the weights. Increasing the values more strongly prevents "
"overfitting.")
parser.add_argument('--eta', type=float,
default=0.2,
help="Learning rate for XGBoost.")
parser.add_argument('--seed', type=int,
default=42,
help="Random seed.")
parser.add_argument('--num-iterations', type=int,
default=20,
help="Number of fitting iterations")
args = parser.parse_args()
params = {
'eta': args.eta,
'max_depth': args.max_depth,
'min_child_weight': args.min_child_weight,
'gamma': args.gamma,
'subsample': args.subsample,
'colsample_bytree': args.colsample_bytree,
'reg_alpha': args.reg_alpha,
'seed': args.seed,
'objective': 'multi:softmax',
'num_class': 3,
}
run.log("max depth:", np.int(args.max_depth))
run.log("min_child_weight:", np.float(args.min_child_weight))
run.log("gamma", np.float(args.gamma))
run.log("subsample:", np.float(args.subsample))
run.log("colsample_bytree:", np.float(args.colsample_bytree))
run.log("reg alpha:", np.float(args.reg_alpha))
run.log("learning rate:", np.float(args.eta))
# Load the Training Dataset and the Test Dataset
ws = run.experiment.workspace
dataset_training = Dataset.get_by_id(ws, id=args.train_set)
dataset_test = Dataset.get_by_id(ws, id=args.test_set)
run.log("loaded_dataset", str(dataset_test))
train_df = dataset_training.to_pandas_dataframe()
test_df = dataset_test.to_pandas_dataframe()
# Convert the training and test sets to sparse matrices and then create a xgboost DMatrix for efficient computation
x_train = scipy.sparse.csr_matrix(train_df.drop(columns=['norm_rating']).to_numpy())
y_train = list(train_df.norm_rating)
x_test = scipy.sparse.csr_matrix(test_df.drop(columns=['norm_rating']).to_numpy())
y_test = list(test_df.norm_rating)
dtrain = xgb.DMatrix(x_train, label=y_train)
dtest = xgb.DMatrix(x_test, label=y_test)
# Train the model
watchlist = [(dtest, 'eval'), (dtrain, 'train')]
num_round = args.num_iterations
model = xgb.train(params, dtrain, num_round, watchlist)
# Evaluate the model
pred_test = model.predict(dtest)
pred_train = model.predict(dtrain)
# Compute F1 scores and Accuracy scores
f1_score_weighted_train = f1_score(y_train, pred_train, average='weighted')
accuracy_train = accuracy_score(y_train, pred_train)
f1_score_weighted = f1_score(y_test, pred_test, average='weighted')
accuracy = accuracy_score(y_test, pred_test)
os.makedirs('outputs', exist_ok=True)
# note file saved in the outputs folder is automatically uploaded into experiment record
joblib.dump(value=model, filename='outputs/xgboost_model.pkl')
run.log("F1ScoreWeightedTrain", np.float(f1_score_weighted_train))
run.log("F1ScoreWeighted", np.float(f1_score_weighted))
run.log("AccuracyTrain", np.float(accuracy_train))
run.log("Accuracy", np.float(accuracy))