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Merge pull request #2021 from mazumdarparijat/pca
Added ID3ClassifierTree modular API
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examples/undocumented/python_modular/multiclass_id3classifiertree_modular.py
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#!/usr/bin/env python | ||
from numpy import array | ||
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# create data | ||
train_data = array([[1.0, 2.0, 1.0, 3.0, 1.0, 3.0, 2.0, 2.0, 3.0, 1.0, 2.0, 2.0, 3.0, 1.0, 2.0], | ||
[2.0, 1.0, 2.0, 1.0, 2.0, 1.0, 1.0, 2.0, 2.0, 2.0, 1.0, 2.0, 2.0, 2.0, 1.0], | ||
[3.0, 2.0, 3.0, 3.0, 3.0, 2.0, 2.0, 1.0, 3.0, 1.0, 2.0, 1.0, 3.0, 1.0, 2.0], | ||
[1.0, 2.0, 1.0, 2.0, 1.0, 2.0, 1.0, 2.0, 2.0, 1.0, 1.0, 2.0, 2.0, 1.0, 1.0]]) | ||
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train_labels = array([1.0, 2.0, 1.0, 3.0, 1.0, 2.0, 2.0, 1.0, 3.0, 1.0, 2.0, 1.0, 3.0, 1.0, 2.0]) | ||
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test_data = array([[2.0, 2.0, 1.0, 3.0, 3.0], | ||
[2.0, 1.0, 2.0, 1.0, 2.0], | ||
[3.0, 2.0, 1.0, 3.0, 2.0], | ||
[1.0, 2.0, 1.0, 2.0, 1.0]]) | ||
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parameter_list = [[train_data, train_labels, test_data]] | ||
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def multiclass_id3classifiertree_modular(train=train_data,labels=train_labels,test=test_data): | ||
try: | ||
from modshogun import RealFeatures, MulticlassLabels, ID3ClassifierTree | ||
except ImportError: | ||
return | ||
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# wrap features and labels into Shogun objects | ||
feats_train=RealFeatures(train) | ||
feats_test=RealFeatures(test) | ||
feats_labels=MulticlassLabels(labels) | ||
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# ID3 Tree formation | ||
id3=ID3ClassifierTree() | ||
id3.set_labels(feats_labels) | ||
id3.train(feats_train) | ||
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# Classify test data | ||
output=id3.apply_multiclass(feats_test).get_labels() | ||
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return id3,output | ||
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if __name__=='__main__': | ||
print('ID3ClassifierTree') | ||
multiclass_id3classifiertree_modular(*parameter_list[0]) |
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