minBy
minBy returns the minimum value for each group. Null values are ignored.
Syntax
Parameters
| Parameter | Type | Description |
|---|---|---|
| columnNames | String... | The column(s) by which to group data.
|
| columnNames | ColumnName... | The column(s) by which to group data.
|
| columnNames | Collection<String> | The column(s) by which to group data.
|
Returns
A new table containing the minimum value for each group.
Examples
In this example, minBy returns the minimum value for each column.
In this example, minBy returns the minimum value, as grouped by X.
In this example, minBy returns the minimum value, as grouped by X and Y.