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MiniBatchKMeans partial_fit uninformative error message when number of features changes #12430

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jeremiedbb opened this issue Oct 22, 2018 · 1 comment
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MiniBatchKMeans partial_fit uninformative error message when number of features changes #12430

jeremiedbb opened this issue Oct 22, 2018 · 1 comment

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@jeremiedbb
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I find the error message, raised when the number of features changes between calls to partial_fit in MiniBatchKMeans, a bit uninformative. See

from sklearn.cluster import MiniBatchKMeans
import numpy as np

X = np.random.random_sample((100,10))
mbk = MiniBatchKMeans()

mbk.partial_fit(X)
mbk.partial_fit(X[:,:-1])

>>> "ValueError: Incompatible dimension for X and Y matrices: X.shape[1] == 9 while Y.shape[1] == 10"

I understand that the error comes from a shape mismatch somewhere but it could be more informative (what is Y here ?), or am I just being too picky ?
@jeremiedbb jeremiedbb mentioned this issue Oct 22, 2018
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@ogrisel
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ogrisel commented Jul 22, 2020

Closed by #13603.

@ogrisel ogrisel closed this as completed Jul 22, 2020
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@ogrisel @jeremiedbb