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50 lines
1.7 KiB
Python
50 lines
1.7 KiB
Python
# Titan Robotics Team 2022: RandomForest submodule
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# Written by Arthur Lu
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# Notes:
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# this should be imported as a python module using 'from tra_analysis import RandomForest'
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# setup:
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__version__ = "1.0.3"
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__changelog__ = """changelog:
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1.0.3:
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- updated RandomForestClassifier and RandomForestRegressor parameters to match sklearn v 1.0.2
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- changed default values for kwargs to rely on sklearn
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1.0.2:
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- optimized imports
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1.0.1:
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- fixed __all__
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1.0.0:
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- ported analysis.RandomFores() here
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- removed classness
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"""
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__author__ = (
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"Arthur Lu <learthurgo@gmail.com>",
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)
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__all__ = [
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"random_forest_classifier",
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"random_forest_regressor",
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]
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import sklearn, sklearn.ensemble, sklearn.naive_bayes
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from . import ClassificationMetric, RegressionMetric
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def random_forest_classifier(data, labels, test_size, n_estimators, **kwargs):
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data_train, data_test, labels_train, labels_test = sklearn.model_selection.train_test_split(data, labels, test_size=test_size, random_state=1)
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kernel = sklearn.ensemble.RandomForestClassifier(n_estimators = n_estimators, **kwargs)
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kernel.fit(data_train, labels_train)
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predictions = kernel.predict(data_test)
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return kernel, ClassificationMetric(predictions, labels_test)
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def random_forest_regressor(data, outputs, test_size, n_estimators, **kwargs):
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data_train, data_test, outputs_train, outputs_test = sklearn.model_selection.train_test_split(data, outputs, test_size=test_size, random_state=1)
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kernel = sklearn.ensemble.RandomForestRegressor(n_estimators = n_estimators, **kwargs)
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kernel.fit(data_train, outputs_train)
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predictions = kernel.predict(data_test)
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return kernel, RegressionMetric.RegressionMetric(predictions, outputs_test) |