# pandas.unique

## リファレンス

- [pandas.unique](https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.unique.html)
- [pandas.Index.unique](https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.Index.unique.html)
- [pandas.Series.unique](https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.Series.unique.html)