```python
df.nunique()
A 36334
B 62919
C 15518
D 23274
E 14
F 1
G 81080
H 766
dtype: int64
>>> for name in df.columns[1:]:
... print("{}\t{:8.4f}".format(name, df[name].str.len().mean()))
...
B 11.2522
C 5.2670
D 6.6037
E 5.9107
F 1.0000
G 36.0000
H 36.0000
```
`G` and `H` columns are UUID[ Full content available at: https://github.com/apache/arrow/issues/2624 ] This message was relayed via gitbox.apache.org for [email protected]
