# 以0.5的概率選取0或1生成10個數據 np.random.choice([0,1],size=10,p=[.5,.5]) # [0 1 0 0 1 0 0 0 0 1]# 生成英語“閱讀答案” np.random.choice(['A', 'B', 'C', 'D'], 20, p=[0.25, 0.25, 0.25, 0.25]) # ['D' 'D' 'A' 'B' 'A' 'C' 'C' 'D' 'D' 'B' 'A' 'D' 'A' 'C' 'D' 'D' 'D' 'B''D' 'C'] numpy.random.choice(a, size=None, replace=True, p=None) 可以從一個int數字或1維array里隨機選取內容，并將選取結果放入n維array中返回。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 were np.arange(a)size : int or tuple of ints,可選參數 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.replace : boolean,可選參數 Whether the sample is with or without replacementp : 1-D array-like, 可選參數 The probabilities associated with each entry in a. If not given the sample assumes a uniform distribution over all entries in a.

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