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NumPy和Pandas中的广播
广播(Broadcast)是 numpy 对不同维度(shape)的数组进行数值计算的方式, 对数组的算术运算通常在相应的元素上进行。 “维度”指的是特征或数据列。例如,有一项研究测量水的温度,另一项研究测量水的盐度和温度,第一个研究有一个维度;温度,而盐度和温度的 ...
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