GroupBy
Read onlyYes
FinalYes
Methods
- __construct() : mixed
- __invoke() : GroupedDataFrame
Methods
__construct()
public
__construct(array<int, Reference|string>|Reference|string $columns[, null|BucketingAlgorithmBuilder $algorithm = null ]) : mixed
Parameters
- $columns : array<int, Reference|string>|Reference|string
-
a single column is grouped by on its own
- $algorithm : null|BucketingAlgorithmBuilder = null
-
null defers to configuration; a builder pins the algorithm for this operation and skips any automatic choice
__invoke()
public
__invoke(DataFrame $dataFrame) : GroupedDataFrame
Parameters
- $dataFrame : DataFrame
Attributes
- #[NoDiscard]