**python - What does axis in pandas mean? - Stack Overflow**
https://stackoverflow.com/questions/22149584/what-does-axis-in-pandas-mean

Mar 03, 2014 · It specifies the axis along which the means are computed. By default axis=0.This is consistent with the numpy.mean usage when axis is specified explicitly (in numpy.mean, axis==None by default, which computes the mean value over the flattened array) , in which axis=0 along the rows (namely, index in pandas), and axis=1 along the columns.For added …

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