RandomState.choice()

numpy.random.RandomState.choice

RandomState.choice(a, size=None, replace=True, p=None)

Generates a random sample from a given 1-D array

New in version 1.7.0.

Parameters:

Parameters:	a : 1-D array-like or int If an ndarray, a random sample is generated from its elements. If an int, the random sample is generated as if a was np.arange(n) 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 s 登录查看完整内容 ← → Copyright©2021 w3cschool编程狮\|闽ICP备15016281号-3\|闽公网安备35020302033924号违法和不良信息举报电话：173-0602-2364\|举报邮箱：jubao@eeedong.com 意见反馈 X 意见反馈：联系方式：查看完整版笔记违规举报 X 广告等垃圾信息不友善内容违反法律法规的内容不宜公开讨论的政治内容其他

a : 1-D array-like or int

If an ndarray, a random sample is generated from its elements. If an int, the random sample is generated as if a was np.arange(n)

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 s