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BUG Fixes kernel PCA raising "invalid value encountered in mul… #16718

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merged 2 commits into from Mar 19, 2020
Merged

BUG Fixes kernel PCA raising "invalid value encountered in mul… #16718

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70496de
close #16717
gui-miotto Mar 18, 2020
49aa2d9
update whats_new
gui-miotto Mar 19, 2020
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2 changes: 1 addition & 1 deletion sklearn/decomposition/_kernel_pca.py
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Expand Up @@ -216,7 +216,7 @@ def _fit_transform(self, K):

# flip eigenvectors' sign to enforce deterministic output
self.alphas_, _ = svd_flip(self.alphas_,
np.empty_like(self.alphas_).T)
np.zeros_like(self.alphas_).T)

# sort eigenvectors in descending order
indices = self.lambdas_.argsort()[::-1]
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