def test(cas_session, iris_dataset):
pytest.skip('Re-enable once MAS publish no longer hangs.')
cas_session.loadactionset('decisiontree')
tbl = cas_session.upload(iris_dataset).casTable
features = list(tbl.columns[tbl.columns != TARGET])
# Fit a linear regression model in CAS and output an ASTORE
tbl.decisiontree.gbtreetrain(target=TARGET,
inputs=features,
savestate='model_table')
astore = cas_session.CASTable('model_table')
from sklearn.ensemble import GradientBoostingClassifier
X = iris_dataset.drop(TARGET, axis=1)
y = iris_dataset[TARGET]
sk_model = GradientBoostingClassifier()
sk_model.fit(X, y)
sas_model = register_model(astore,
SAS_MODEL_NAME,
PROJECT_NAME,
force=True)
sk_model = register_model(sk_model,
SCIKIT_MODEL_NAME,
PROJECT_NAME,
input=X)
# Publish to MAS
sas_module = publish_model(sas_model, 'maslocal', replace=True)
sk_module = publish_model(sk_model, 'maslocal', replace=True)
# Pass a row of data to MAS and receive the predicted result.
first_row = tbl.head(1)
result = sas_module.score(first_row)
p1, p1, p2, species, warning = result
result2 = sk_module.predict(first_row)
assert result2 in ('setosa', 'virginica', 'versicolor')
# SAS model may have CHAR variable that's padded with spaces.
assert species.strip() == result2
result3 = sk_module.predict_proba(first_row)
assert round(sum(result3), 5) == 1
def test(cas_session, boston_dataset):
cas_session.loadactionset('regression')
tbl = cas_session.upload(boston_dataset).casTable
features = tbl.columns[tbl.columns != 'Price']
# Fit a linear regression model in CAS and output an ASTORE
tbl.glm(target='Price', inputs=list(features), savestate='model_table')
astore = cas_session.CASTable('model_table')
from sklearn.linear_model import LinearRegression
X = boston_dataset.drop('Price', axis=1)
y = boston_dataset['Price']
sk_model = LinearRegression()
sk_model.fit(X, y)
sas_model = register_model(astore,
SAS_MODEL_NAME,
PROJECT_NAME,
force=True)
sk_model = register_model(sk_model,
SCIKIT_MODEL_NAME,
PROJECT_NAME,
input=X)
# Publish to MAS
sas_module = publish_model(sas_model, 'maslocal', replace=True)
sk_module = publish_model(sk_model, 'maslocal', replace=True)
# Pass a row of data to MAS and receive the predicted result.
first_row = tbl.head(1)
result = sas_module.score(first_row)
assert isinstance(result, float)
result2 = sk_module.predict(first_row)
assert isinstance(result2, float)
assert round(result, 5) == round(result2, 5)
def test_register_model(self, iris_dataset):
pytest.importorskip('sklearn')
from sasctl import register_model
from sklearn.ensemble import GradientBoostingClassifier
TARGET = 'Species'
X = iris_dataset.drop(TARGET, axis=1)
y = iris_dataset[TARGET]
model = GradientBoostingClassifier()
model.fit(X, y)
model = register_model(model,
self.MODEL_NAME,
self.PROJECT_NAME,
input=X,
force=True)
assert model.name == self.MODEL_NAME
assert model.projectName == self.PROJECT_NAME
assert model.function.lower() == 'classification'
assert model.algorithm.lower() == 'gradient boosting'
assert model.tool.lower().startswith('python')
def test_register_model(self, cas_session, boston_dataset):
from sasctl import register_model
TARGET = 'Price'
# Upload the data to CAS
tbl = cas_session.upload(boston_dataset).casTable
# Create the model
cas_session.loadactionset('regression')
features = tbl.columns[tbl.columns != TARGET]
tbl.glm(target=TARGET, inputs=list(features), savestate='model_table')
astore = cas_session.CASTable('model_table')
model = register_model(astore,
self.MODEL_NAME,
self.PROJECT_NAME,
force=True)
assert model.name == self.MODEL_NAME
assert model.projectName == self.PROJECT_NAME
assert model.function.lower() == 'prediction'
assert model.algorithm.lower() == 'linear regression'
assert model.targetVariable.lower() == 'price'
def test_register_model(self, boston_dataset):
pytest.importorskip('sklearn')
from sasctl import register_model
from sklearn.ensemble import GradientBoostingRegressor
TARGET = 'Price'
X = boston_dataset.drop(TARGET, axis=1)
y = boston_dataset[TARGET]
model = GradientBoostingRegressor()
model.fit(X, y)
model = register_model(model,
self.MODEL_NAME,
self.PROJECT_NAME,
input=X,
force=True)
assert model.name == self.MODEL_NAME
assert model.projectName == self.PROJECT_NAME
assert model.function.lower() == 'prediction'
assert model.algorithm.lower() == 'gradient boosting'
assert model.targetLevel.lower() == 'interval'
assert model.tool.lower().startswith('python')
#!/usr/bin/env python
# encoding: utf-8
#
# Copyright © 2019, SAS Institute Inc., Cary, NC, USA. All Rights Reserved.
# SPDX-License-Identifier: Apache-2.0
import pandas as pd
from sklearn import datasets
from sklearn.linear_model import LogisticRegression
from sasctl import Session, register_model
raw = datasets.load_iris()
X = pd.DataFrame(raw.data, columns=['SepalLength', 'SepalWidth', 'PetalLength', 'PetalWidth'])
y = pd.DataFrame(raw.target, columns=['Species'], dtype='category')
y.Species.cat.categories = raw.target_names
model = LogisticRegression()
model.fit(X, y)
with Session('example.com', user='******', password='******'):
register_model(model, 'Logistic Regression', project='Iris', force=True)
outputs = table.columns.to_list()[4]
outputs = pd.DataFrame(columns=[str(outputs), 'P_set', 'P_vers', 'P_virg'])
outputs.loc[len(outputs)] = ['virginica', 0.5, 0.5, .5]
#model.predict_proba(inputs[:1])
### DON'T DO THAT IN PRODUCTION
model_exists = model_repository.get_model(modelname, refresh=False)
#model_repository.delete_model(modelname)
if model_exists == None:
print('Creating new model')
register_model(
model=model,
name=modelname,
project=project,
input=inputs, ## somehow using a pd.df bug but SASdf don't
force=True)
else:
print('Model exists, creting new version')
model_repository.delete_model_contents(modelname)
register_model(model=model,
name=modelname,
project=project,
input=inputs,
force=True,
version='latest')
### adding extra files
### not needed but good practice
path = Path.cwd()
# Convert the local CSV file into a Pandas DataFrame
df = pd.read_csv('/home/viya/data/Los_Angeles_house_prices.csv')
# The model input data (X) is every column in the DataFrame except the target.
# The target (y) is equal to the median home value.
target = 'medv'
X = df.drop(target, axis=1)
y = df[target]
# Fit a sci-kit learn model
model = GradientBoostingRegressor()
model.fit(X, y)
# Establish a session with Viya
with Session('dsasspre.org', 'robinswu', 'password'):
model_name = 'GB Regression'
project_name = 'Los Angeles Housing'
# Register the model in SAS Model Manager
register_model(model, model_name, project_name, input=X, force=True)
# Publish the model to the real-time scoring engine
module = publish_model(model_name, 'maslocal', replace=True)
# Select the first row of training data
x = X.iloc[0, :]
# Call the published module and score the record
result = module.predict(x)
print(result)
s = Session('hostname', 'username', 'password')
# The register_model task will attempt to extract the necessary metadata from the provided ASTORE file or Python model.
# However, if this doesn't work for your model or you need to specify different metadata, you can provide it as a
# dictionary instead. For a full list of parameters that can be specified see the documentation here:
# https://developer.sas.com/apis/rest/DecisionManagement/#schemamodel
model_info = {
'name': 'Custom Model',
'description': 'This model is for demonstration purposes only.',
'scoreCodeType': 'Python',
'algorithm': 'Other'
}
# To include the contents of the model itself, simply provide the information for each file in a list.
files = [
# Files can be added to the model by specifying a name of the file and its contents
dict(name='greetings.txt', file='Hello World!'),
# You can also specify file-like object to be included. Here we upload this Python file itself to the model.
# In addition, the optional `role` parameter can be used to assign a File Role to the file in Model Manager.
dict(name=__file__, file=open(__file__), role='Score code'),
# The files also need not be simple text. Here we create a simple Python datetime object, pickle it, and then
# include the binary file with the model.
dict(name='datetime.pkl', file=pickle.dumps(datetime.now()))
]
model = register_model(model_info, name=model_info['name'], project='Examples', files=files, force=True)
astore = conn.CASTable(astore_table)
#### coneccting from SASCTL
s = Session(host, user, password,
verify_ssl = False)
model_exists = model_repository.get_model(modelname, refresh=False)
#model_repository.delete_model(modelname)
if model_exists == None:
print('Creating new model')
model = register_model(astore,
modelname,
project,
force = True)
else:
print('Model exists, creting new version')
model_repository.delete_model(modelname)
register_model(model = astore,
name= modelname,
project= project,
force=True,
version = 'latest')
path = Path.cwd()
##############################
######## adding files ########
# Load the Iris data set and convert into a Pandas data frame.
raw = datasets.load_iris()
X = pd.DataFrame(raw.data, columns=['SepalLength', 'SepalWidth',
'PetalLength', 'PetalWidth'])
y = pd.DataFrame(raw.target, columns=['Species'], dtype='category')
y.Species.cat.categories = raw.target_names
# Fit a sci-kit learn model
model = LogisticRegression()
model.fit(X, y)
# Establish a session with Viya
with Session('hostname', 'username', 'password'):
model_name = 'Iris Regression'
# Register the model in Model Manager
register_model(model,
model_name,
input=X, # Use X to determine model inputs
project='Iris', # Register in "Iris" project
force=True) # Create project if it doesn't exist
# Publish the model to the real-time scoring engine
module = publish_model(model_name, 'maslocal')
# Select the first row of training data
x = X.iloc[0, :]
# Call the published module and score the record
result = module.score(**x)
print(result)
