> ## Documentation Index
> Fetch the complete documentation index at: https://docs.activeviam.com/llms.txt
> Use this file to discover all available pages before exploring further.

# atoti.array.nth_lowest()

### atoti.array.nth\_lowest(measure, /, n)

Return a measure equal to the *n*-th lowest element of the passed array measure.

### Example

```pycon theme={"languages":{"custom":["/engine/python-sdk/0.9/languages/pycon.tmLanguage.json"]}}
>>> pnl_table = session.read_csv(
...     TEST_RESOURCES_PATH / "csv" / "pnl.csv",
...     array_separator=";",
...     keys={"Continent", "Country"},
...     table_name="PnL",
... )
>>> cube = session.create_cube(pnl_table)
>>> l, m = cube.levels, cube.measures
>>> m["3rd lowest"] = tt.array.nth_lowest(m["PnL.SUM"], n=3)
>>> cube.query(m["PnL.SUM"], m["3rd lowest"])
                          PnL.SUM 3rd lowest
0  doubleVector[10]{-20.163, ...}     -57.51
```

* **Parameters:**
  * **measure** (*VariableMeasureConvertible*)
  * **n** (*PositiveInt* *|* *VariableMeasureConvertible*)
* **Return type:**
  MeasureDefinition