pandas_extension.groupby_level
pandas_extension.groupby_level(df, level_name)Group DataFrame for aggregations along the specific level name.
Parameters
| Name | Type | Description | Default |
|---|---|---|---|
| df | pd.DataFrame | DataFrame with hierarchical column index. | required |
| level_name | str | Name of level in the hierarchical column index. | required |
Returns
| Name | Type | Description |
|---|---|---|
| df | pd.DataFrame | Grouped DataFrame. |
Examples
>>> df.m1d.groupby_level("duplicate").first()
Out[1]: The DataFrame with the first value for each duplicate.