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Conflicts: src/sensai/util/pickle.py tests/backwardscompat/test_models.py tests/conftest.py
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import sys | ||
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from sensai.data_transformation import DFTNormalisation, DFTOneHotEncoder, SkLearnTransformerFactoryFactory | ||
from sensai.featuregen import FeatureCollector, FeatureGeneratorTakeColumns | ||
from sensai.sklearn.sklearn_regression import SkLearnLinearRegressionVectorRegressionModel, SkLearnRandomForestVectorRegressionModel, \ | ||
SkLearnMultiLayerPerceptronVectorRegressionModel | ||
from sensai.util import logging | ||
from sensai.util.pickle import dump_pickle | ||
from tests.model_test_case import DiabetesDataSet, RegressionTestCase, RESOURCE_PATH | ||
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def create_regression_models_for_backward_compatibility_test(version): | ||
""" | ||
:param version: version with which the files are created | ||
""" | ||
dataset = DiabetesDataSet() | ||
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fc = FeatureCollector( | ||
FeatureGeneratorTakeColumns(dataset.categorical_features, categorical_feature_names=dataset.categorical_features, | ||
normalisation_rule_template=DFTNormalisation.RuleTemplate(unsupported=True)), | ||
FeatureGeneratorTakeColumns(dataset.numeric_features, | ||
normalisation_rule_template=DFTNormalisation.RuleTemplate(independent_columns=True))) | ||
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modelLinear = SkLearnLinearRegressionVectorRegressionModel() \ | ||
.with_feature_collector(fc) \ | ||
.with_feature_transformers( | ||
DFTOneHotEncoder(fc.get_categorical_feature_name_regex()), | ||
DFTNormalisation(fc.get_normalisation_rules(), default_transformer_factory=SkLearnTransformerFactoryFactory.RobustScaler())) \ | ||
.with_name("Linear") | ||
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modelRF = SkLearnRandomForestVectorRegressionModel(n_estimators=10, min_samples_leaf=10) \ | ||
.with_feature_collector(fc) \ | ||
.with_feature_transformers(DFTOneHotEncoder(fc.get_categorical_feature_name_regex())) \ | ||
.with_name("RandomForest") | ||
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modelMLP = SkLearnMultiLayerPerceptronVectorRegressionModel(hidden_layer_sizes=(20,20), solver="adam", max_iter=1000, batch_size=32, early_stopping=True) \ | ||
.with_feature_collector(fc) \ | ||
.with_feature_transformers( | ||
DFTOneHotEncoder(fc.get_categorical_feature_name_regex()), | ||
DFTNormalisation(fc.get_normalisation_rules(), default_transformer_factory=SkLearnTransformerFactoryFactory.RobustScaler())) \ | ||
.with_name("SkLearnMLP") | ||
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testCase = RegressionTestCase(dataset.getInputOutputData()) | ||
ev = testCase.createEvaluator() | ||
for model in [modelLinear, modelRF, modelMLP]: | ||
ev.fit_model(model) | ||
eval_data = ev.eval_model(model) | ||
eval_stats = eval_data.get_eval_stats() | ||
print(eval_stats) | ||
r2 = eval_stats.getR2() | ||
persisted_data = {"R2": r2, "model": model} | ||
dump_pickle(persisted_data, RESOURCE_PATH / "backward_compatibility" / f"regression_model_{model.get_name()}.{version}.pickle") | ||
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if __name__ == '__main__': | ||
logging.configure() | ||
sys.path.append("../..") | ||
create_regression_models_for_backward_compatibility_test("v0.2.0") |
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import os | ||
from glob import glob | ||
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import pytest | ||
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import sensai | ||
from sensai import VectorModel | ||
from sensai.data_transformation import DFTNormalisation, SkLearnTransformerFactoryFactory, DFTOneHotEncoder | ||
from sensai.featuregen import FeatureGeneratorTakeColumns, FeatureCollector | ||
from sensai.sklearn.sklearn_regression import SkLearnLinearRegressionVectorRegressionModel, SkLearnRandomForestVectorRegressionModel, \ | ||
SkLearnMultiLayerPerceptronVectorRegressionModel | ||
from sensai.util.pickle import load_pickle | ||
from tests.conftest import RESOURCE_DIR | ||
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def test_modelCanBeLoaded(testResources, irisClassificationTestCase): | ||
def test_classification_model_backward_compatibility_v0_0_4(testResources, irisClassificationTestCase): | ||
# The model file was generated with tests/frameworks/torch/test_torch.test_MLPClassifier at commit f93c6b11d | ||
modelPath = os.path.join(testResources, "torch_mlp.pickle") | ||
model = VectorModel.load(modelPath) | ||
assert isinstance(model, sensai.torch.models.MultiLayerPerceptronVectorClassificationModel) | ||
irisClassificationTestCase.testMinAccuracy(model, 0.8, fit=False) | ||
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# TODO | ||
def createRegressionModelsForBackwardsCompatibilityTest(testCase): | ||
fc = FeatureCollector(FeatureGeneratorTakeColumns(categoricalFeatureNames=["SEX"], | ||
normalisationRuleTemplate=DFTNormalisation.RuleTemplate(independentColumns=False))) | ||
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modelLinear = SkLearnLinearRegressionVectorRegressionModel() \ | ||
.withFeatureCollector(fc) \ | ||
.withFeatureTransformers( | ||
DFTOneHotEncoder(fc.getCategoricalFeatureNameRegex())) | ||
#DFTNormalisation(fc.getNormalisationRules(), defaultTransformerFactory=SkLearnTransformerFactoryFactory.RobustScaler())) | ||
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modelRF = SkLearnRandomForestVectorRegressionModel() \ | ||
.withFeatureCollector(fc) \ | ||
.withFeatureTransformers(DFTOneHotEncoder(fc.getCategoricalFeatureNameRegex())) | ||
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modelMLP = SkLearnMultiLayerPerceptronVectorRegressionModel(hidden_layer_sizes=(10, 10), solver="lbfgs") \ | ||
.withFeatureCollector(fc) \ | ||
.withFeatureTransformers( | ||
DFTOneHotEncoder(fc.getCategoricalFeatureNameRegex()), | ||
DFTNormalisation(fc.getNormalisationRules(), defaultTransformerFactory=SkLearnTransformerFactoryFactory.RobustScaler())) | ||
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return modelMLP | ||
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@pytest.mark.parametrize("pickle_file", glob(f"{RESOURCE_DIR}/backward_compatibility/regression_model_*.v0.2.0.pickle")) | ||
def test_regression_model_backward_compatibility_v0_2_0(pickle_file, diabetesRegressionTestCase): | ||
""" | ||
Tests for compatibility with models created with v0.2.0 using create_test_models.py | ||
""" | ||
d = load_pickle(pickle_file) | ||
r2, model = d["R2"], d["model"] | ||
diabetesRegressionTestCase.testMinR2(model, r2-0.02, fit=False) | ||
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# TODO | ||
def todo_test_backward_compatibility_v020(diabetesRegressionTestCase): | ||
model = createRegressionModelsForBackwardsCompatibilityTest(diabetesRegressionTestCase) | ||
diabetesRegressionTestCase.testMinR2(model, 0.5, fit=True) |
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import os | ||
from pathlib import Path | ||
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import pandas as pd | ||
from sklearn.datasets import load_iris | ||
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from sensai import InputOutputData, VectorClassificationModel, VectorRegressionModel | ||
from sensai.evaluation import VectorClassificationModelEvaluator, VectorRegressionModelEvaluatorParams, VectorRegressionModelEvaluator, \ | ||
VectorClassificationModelEvaluatorParams | ||
from sensai.util import logging | ||
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log = logging.getLogger(__name__) | ||
RESOURCE_PATH = Path(__file__).resolve().parent / "resources" | ||
RESOURCE_DIR = str(RESOURCE_PATH) | ||
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class IrisDataSet: | ||
_iod = None | ||
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@classmethod | ||
def getInputOutputData(cls): | ||
if cls._iod is None: | ||
d = load_iris() | ||
inputs = pd.DataFrame(d["data"], columns=d["feature_names"]) | ||
targetNames = d["target_names"] | ||
outputs = pd.DataFrame({"class": [targetNames[x] for x in d["target"]]}) | ||
cls._iod = InputOutputData(inputs, outputs) | ||
return cls._iod | ||
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class ClassificationTestCase: | ||
def __init__(self, data: InputOutputData): | ||
self.data = data | ||
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def testMinAccuracy(self, model: VectorClassificationModel, minAccuracy: float, fit=True): | ||
ev = VectorClassificationModelEvaluator(self.data, | ||
params=VectorClassificationModelEvaluatorParams(fractional_split_test_fraction=0.2, fractional_split_random_seed=42, | ||
fractional_split_shuffle=True)) | ||
if fit: | ||
ev.fit_model(model) | ||
resultData = ev.eval_model(model) | ||
stats = resultData.get_eval_stats() | ||
#stats.plotConfusionMatrix().savefig("cmat.png") | ||
log.info(f"Results for {model.get_name()}: {stats}") | ||
assert stats.get_accuracy() >= minAccuracy | ||
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class RegressionTestCase: | ||
def __init__(self, data: InputOutputData): | ||
self.data = data | ||
self.evaluatorParams = VectorRegressionModelEvaluatorParams(fractional_split_test_fraction=0.2, fractional_split_shuffle=True, | ||
fractional_split_random_seed=42) | ||
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def createEvaluator(self) -> VectorRegressionModelEvaluator: | ||
return VectorRegressionModelEvaluator(self.data, params=self.evaluatorParams) | ||
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def testMinR2(self, model: VectorRegressionModel, minR2: float, fit=True): | ||
ev = self.createEvaluator() | ||
if fit: | ||
ev.fit_model(model) | ||
resultData = ev.eval_model(model) | ||
stats = resultData.get_eval_stats() | ||
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#stats.plotScatterGroundTruthPredictions() | ||
#from matplotlib import pyplot as plt; plt.show() | ||
#resultDataTrain = ev.evalModel(model, onTrainingData=True); log.info(f"on train: {resultDataTrain.getEvalStats()}") | ||
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log.info(f"Results for {model.get_name()}: {stats}") | ||
assert stats.get_r2() >= minR2 | ||
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class DiabetesDataSet: | ||
""" | ||
Classic diabetes data set (downloaded from https://www4.stat.ncsu.edu/~boos/var.select/diabetes.tab.txt) | ||
""" | ||
_iod = None | ||
categorical_features = ["SEX"] | ||
numeric_features = ["AGE", "BMI", "BP", "S1", "S2", "S3", "S4", "S5", "S6"] | ||
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@classmethod | ||
def getInputOutputData(cls): | ||
if cls._iod is None: | ||
df = pd.read_csv(os.path.join(RESOURCE_DIR, "diabetes.tab.txt"), sep="\t") | ||
return InputOutputData.from_data_frame(df, "Y") | ||
return cls._iod |
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tests/resources/backward_compatibility/regression_model_SkLearnMLP.v0.2.0.pickle
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