ValueError: Nystroem n_components out of range

ValueError: Nystroem n_components invalid

$ python -c "from sklearn.kernel_approximation import Nystroem; Nystroem(n_components=10).fit([[0],[1],[2]], [0,1,1])"
Traceback (most recent call last):
  File "<string>", line 1, in <module>
ValueError: n_components must be <= n_samples

Why this happens

You can’t sample more components than samples.

Fix

Use n_components <= n_samples or increase data size.

Wrong code

from sklearn.kernel_approximation import Nystroem
Nystroem(n_components=10).fit([[0],[1],[2]], [0,1,1])

Fixed code

from sklearn.kernel_approximation import Nystroem
Nystroem(n_components=3).fit([[0],[1],[2],[3],[4]], [0,1,1,0,1])