permutation(self, x)
This docstring was copied from numpy.random.mtrand.RandomState.permutation.
Some inconsistencies with the Dask version may exist.
If x is a multi-dimensional array, it is only shuffled along its first index.
New code should use the permutation
method of a default_rng()
instance instead; please see the :None:ref:`random-quick-start`.
If x is an integer, randomly permute np.arange(x)
. If x is an array, make a copy and shuffle the elements randomly.
Permuted sequence or array range.
Randomly permute a sequence, or return a permuted range.
Generator.permutation
which should be used for new code.
>>> np.random.permutation(10) # doctest: +SKIP array([1, 7, 4, 3, 0, 9, 2, 5, 8, 6]) # randomThis example is valid syntax, but we were not able to check execution
>>> np.random.permutation([1, 4, 9, 12, 15]) # doctest: +SKIP array([15, 1, 9, 4, 12]) # randomThis example is valid syntax, but we were not able to check execution
>>> arr = np.arange(9).reshape((3, 3)) # doctest: +SKIPSee :
... np.random.permutation(arr) # doctest: +SKIP array([[6, 7, 8], # random [0, 1, 2], [3, 4, 5]])
The following pages refer to to this document either explicitly or contain code examples using this.
dask.array.random.RandomState.choice
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