Created
April 16, 2014 05:27
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trying to break BaggingClassifier on sparse input
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from sklearn.datasets import load_iris | |
from scipy.sparse import csr_matrix, csc_matrix | |
from sklearn.neighbors import KNeighborsClassifier | |
from sklearn.ensemble import BaggingClassifier | |
iris = load_iris() | |
data = iris['data'] | |
labels = iris['target'] | |
csc = csc_matrix(data) | |
knn = KNeighborsClassifier() | |
csc_knn = KNeighborsClassifier() | |
bag = BaggingClassifier(KNeighborsClassifier()) | |
sparse_bag = BaggingClassifier(KNeighborsClassifier()) | |
knn.fit(data, labels) | |
csc_knn.fit(csc, labels) | |
bag.fit(data, labels) | |
sparse_bag.fit(csc, labels) | |
print(knn.predict(data[50])) | |
print(csc_knn.predict(data[50])) | |
print(sparse_bag.predict([data[50]])) | |
print(labels[50]) |
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