random.shuffle() changes the x list in place. Python API methods that alter a structure in-place generally return None , not the modified ... ... <看更多>

import numpy as np. import math. import sys. def shuffle_data(X, y, seed=None):. """ Random shuffle of the samples in X and y """. if seed:. ... <看更多>

arr = np.arange(10) >>> np.random.shuffle(arr) >>> arr [1 7 5 2 9 4 3 6 0 8]. Multi-dimensional arrays are only shuffled along the first axis:. ... <看更多>