Numpy 1.10
Numpy 1.10
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RandomState.standard_normal()

numpy.random.RandomState.standard_normal

RandomState.standard_normal(size=None)

Draw samples from a standard Normal distribution (mean=0, stdev=1).

Parameters:

size : int or tuple of ints, optional

Output shape. If the given shape is, e.g., (m, n, k), then m * n * k samples are drawn. Default is None, in which case a single value is returned.
Returns:

out : float or ndarray

Drawn samples.

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