This is certainly a bug. It has been mentioned before, but there
was no comment.
shuffle() doesn't handle arrays.
>>> from numpy import *
>>> from numpy.random import *
>>> a = arange(12)
>>> a.shape = (6,2)
>>> a
array([[ 0, 1],
[ 2, 3],
[ 4, 5],
[ 6, 7],
[ 8, 9],
[10, 11]])
>>> shuffle(a)
>>> a
array([[ 0, 1],
[ 2, 3],
[ 2, 3],
[ 0, 1],
[ 4, 5],
[10, 11]])
This is with numpy 1.0. The [0, 1] element was duplicated. That's
not right.
Tom Holroyd, Ph.D.
We experience the world not as it is, but as we expect it to be.
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