numpy 之 将nan改成均值

Python 数据分析 之numpy的nan 含有nan时,若要进行求均值等操做,先将nan替换为改列(行)的均值 代码以下 python import numpy as np t1 = np.arange(12).reshape(3, 4).astype('float') t1[1, 2:] = np.nan def fill_ndarray(t1): for i in rang

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