yzhao062/pyod
Voir sur GitHubknn metric cosine ValueError: Unrecognized metric 'cosine'
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#221 ouverte le 19 août 2020
bughelp wanted
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Description
clf = KNN(metric="cosine")
clf.fit(train_data)
results in
sklearn/neighbors/_binary_tree.pxi in sklearn.neighbors._ball_tree.BinaryTree.__init__()
sklearn/neighbors/_dist_metrics.pyx in sklearn.neighbors._dist_metrics.DistanceMetric.get_metric()
ValueError: Unrecognized metric 'cosine'
Also brute and kd_tree don't support cosine, meaning that cosine is not supported by any algorithm.