df.describe()

返回基本统计信息：

count 6.000000  6.000000  6.000000  6.000000
mean  0.843157  0.922818  0.779887  0.973118
std   0.073711 -0.431125 -0.687758 -0.233103
min   -0.861849 -2.104569 -1.509059 -1.135632
25%   -0.611510 -0.600794 -1.368714 -1.076610
50%   0.022070 -0.228039 -0.767252 -0.386188
75%   0.658444  0.041933 -0.034326  0.461706
max   1.212112  0.567020  0.276232  1.071804