pandas：在数据框上附加一行并指定其索引标签

pandas：在数据框上附加一行并指定其索引标签

该

name

系列的成为

index

在数据帧的行：

In [99]: df = pd.Dataframe(np.random.randn(8, 4), columns=['A','B','C','D'])In [100]: s = df.xs(3)In [101]: s.name = 10In [102]: df.append(s)Out[102]: A         B         C         D0  -2.083321 -0.153749  0.174436  1.0810561  -1.026692  1.495850 -0.025245 -0.1710462   0.072272  1.218376  1.433281  0.7478153  -0.940552  0.853073 -0.134842 -0.2771354   0.478302 -0.599752 -0.080577  0.4686185   2.609004 -1.679299 -1.593016  1.1722986  -0.201605  0.406925  1.983177  0.0120307   1.158530 -2.240124  0.851323 -0.24037810 -0.940552  0.853073 -0.134842 -0.277135