pandas数据分析笔记

by Column （axis = 0)
by Row (axis = 1)

import pandas as pd
data = pd.DataFrame({'x1':range(0, 7),
                     'x2':[3, 1, 7, 5, 7, 9, 5],
                     'x3':range(1, 8)})
print(data)
print(data.mean(axis = 0)) # Column-wise mean
print(data.mean(axis = 1)) # Row-wise mean